638546370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:337

約数の個数: 256

約数和(自身を含む): 2034008064

約数和(自身を除く): 1395461694

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 31, 33, 35, 37, 42, 55, 62, 66, 70, 74, 77, 93, 105, 110, 111, 154, 155, 165, 185, 186, 210, 217, 222, 231, 241, 259, 310, 330, 341, 370, 385, 407, 434, 462, 465, 482, 518, 555, 651, 682, 723, 770, 777, 814, 930, 1023, 1085, 1110, 1147, 1155, 1205, 1221, 1295, 1302, 1446, 1554, 1687, 1705, 2035, 2046, 2170, 2294, 2310, 2387, 2410, 2442, 2590, 2651, 2849, 3255, 3374, 3410, 3441, 3615, 3885, 4070, 4774, 5061, 5115, 5302, 5698, 5735, 6105, 6510, 6882, 7161, 7230, 7471, 7770, 7953, 8029, 8435, 8547, 8917, 10122, 10230, 11470, 11935, 12210, 12617, 13255, 14245, 14322, 14942, 15906, 16058, 16870, 17094, 17205, 17834, 18557, 22413, 23870, 24087, 25234, 25305, 26510, 26751, 28490, 34410, 35805, 37114, 37355, 37851, 39765, 40145, 42735, 44585, 44826, 48174, 50610, 52297, 53502, 55671, 62419, 63085, 71610, 74710, 75702, 79530, 80290, 82181, 85470, 88319, 89170, 92785, 98087, 104594, 111342, 112065, 120435, 124838, 126170, 133755, 156891, 164362, 176638, 185570, 187257, 189255, 196174, 224130, 240870, 246543, 261485, 264957, 267510, 276427, 278355, 294261, 312095, 313782, 374514, 378510, 410905, 441595, 490435, 493086, 522970, 529914, 552854, 556710, 575267, 588522, 624190, 686609, 784455, 821810, 829281, 883190, 936285, 980870, 1150534, 1232715, 1324785, 1373218, 1382135, 1471305, 1568910, 1658562, 1725801, 1872570, 1934989, 2059827, 2465430, 2649570, 2764270, 2876335, 2942610, 3040697, 3433045, 3451602, 3869978, 4119654, 4146405, 5752670, 5804967, 6081394, 6866090, 8292810, 8629005, 9122091, 9674945, 10299135, 11609934, 15203485, 17258010, 18244182, 19349890, 20598270, 21284879, 29024835, 30406970, 42569758, 45610455, 58049670, 63854637, 91220910, 106424395, 127709274, 212848790, 319273185, 638546370]

約数ペア:

[(1, 638546370), (2, 319273185), (3, 212848790), (5, 127709274), (6, 106424395), (7, 91220910), (10, 63854637), (11, 58049670), (14, 45610455), (15, 42569758), (21, 30406970), (22, 29024835), (30, 21284879), (31, 20598270), (33, 19349890), (35, 18244182), (37, 17258010), (42, 15203485), (55, 11609934), (62, 10299135), (66, 9674945), (70, 9122091), (74, 8629005), (77, 8292810), (93, 6866090), (105, 6081394), (110, 5804967), (111, 5752670), (154, 4146405), (155, 4119654), (165, 3869978), (185, 3451602), (186, 3433045), (210, 3040697), (217, 2942610), (222, 2876335), (231, 2764270), (241, 2649570), (259, 2465430), (310, 2059827), (330, 1934989), (341, 1872570), (370, 1725801), (385, 1658562), (407, 1568910), (434, 1471305), (462, 1382135), (465, 1373218), (482, 1324785), (518, 1232715), (555, 1150534), (651, 980870), (682, 936285), (723, 883190), (770, 829281), (777, 821810), (814, 784455), (930, 686609), (1023, 624190), (1085, 588522), (1110, 575267), (1147, 556710), (1155, 552854), (1205, 529914), (1221, 522970), (1295, 493086), (1302, 490435), (1446, 441595), (1554, 410905), (1687, 378510), (1705, 374514), (2035, 313782), (2046, 312095), (2170, 294261), (2294, 278355), (2310, 276427), (2387, 267510), (2410, 264957), (2442, 261485), (2590, 246543), (2651, 240870), (2849, 224130), (3255, 196174), (3374, 189255), (3410, 187257), (3441, 185570), (3615, 176638), (3885, 164362), (4070, 156891), (4774, 133755), (5061, 126170), (5115, 124838), (5302, 120435), (5698, 112065), (5735, 111342), (6105, 104594), (6510, 98087), (6882, 92785), (7161, 89170), (7230, 88319), (7471, 85470), (7770, 82181), (7953, 80290), (8029, 79530), (8435, 75702), (8547, 74710), (8917, 71610), (10122, 63085), (10230, 62419), (11470, 55671), (11935, 53502), (12210, 52297), (12617, 50610), (13255, 48174), (14245, 44826), (14322, 44585), (14942, 42735), (15906, 40145), (16058, 39765), (16870, 37851), (17094, 37355), (17205, 37114), (17834, 35805), (18557, 34410), (22413, 28490), (23870, 26751), (24087, 26510), (25234, 25305)]