397438860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{877}}^1$

素因数の和:992

約数の個数: 192

約数和(自身を含む): 1387717632

約数和(自身を除く): 990278772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 83, 84, 91, 105, 130, 140, 156, 166, 182, 195, 210, 249, 260, 273, 332, 364, 390, 415, 420, 455, 498, 546, 581, 780, 830, 877, 910, 996, 1079, 1092, 1162, 1245, 1365, 1660, 1743, 1754, 1820, 2158, 2324, 2490, 2631, 2730, 2905, 3237, 3486, 3508, 4316, 4385, 4980, 5262, 5395, 5460, 5810, 6139, 6474, 6972, 7553, 8715, 8770, 10524, 10790, 11401, 11620, 12278, 12948, 13155, 15106, 16185, 17430, 17540, 18417, 21580, 22659, 22802, 24556, 26310, 30212, 30695, 32370, 34203, 34860, 36834, 37765, 45318, 45604, 52620, 57005, 61390, 64740, 68406, 72791, 73668, 75530, 79807, 90636, 92085, 113295, 114010, 122780, 136812, 145582, 151060, 159614, 171015, 184170, 218373, 226590, 228020, 239421, 291164, 319228, 342030, 363955, 368340, 399035, 436746, 453180, 478842, 509537, 684060, 727910, 798070, 873492, 946283, 957684, 1019074, 1091865, 1197105, 1455820, 1528611, 1596140, 1892566, 2038148, 2183730, 2394210, 2547685, 2838849, 3057222, 3785132, 4367460, 4731415, 4788420, 5095370, 5677698, 6114444, 6623981, 7643055, 9462830, 10190740, 11355396, 13247962, 14194245, 15286110, 18925660, 19871943, 26495924, 28388490, 30572220, 33119905, 39743886, 56776980, 66239810, 79487772, 99359715, 132479620, 198719430, 397438860]

約数ペア:

[(1, 397438860), (2, 198719430), (3, 132479620), (4, 99359715), (5, 79487772), (6, 66239810), (7, 56776980), (10, 39743886), (12, 33119905), (13, 30572220), (14, 28388490), (15, 26495924), (20, 19871943), (21, 18925660), (26, 15286110), (28, 14194245), (30, 13247962), (35, 11355396), (39, 10190740), (42, 9462830), (52, 7643055), (60, 6623981), (65, 6114444), (70, 5677698), (78, 5095370), (83, 4788420), (84, 4731415), (91, 4367460), (105, 3785132), (130, 3057222), (140, 2838849), (156, 2547685), (166, 2394210), (182, 2183730), (195, 2038148), (210, 1892566), (249, 1596140), (260, 1528611), (273, 1455820), (332, 1197105), (364, 1091865), (390, 1019074), (415, 957684), (420, 946283), (455, 873492), (498, 798070), (546, 727910), (581, 684060), (780, 509537), (830, 478842), (877, 453180), (910, 436746), (996, 399035), (1079, 368340), (1092, 363955), (1162, 342030), (1245, 319228), (1365, 291164), (1660, 239421), (1743, 228020), (1754, 226590), (1820, 218373), (2158, 184170), (2324, 171015), (2490, 159614), (2631, 151060), (2730, 145582), (2905, 136812), (3237, 122780), (3486, 114010), (3508, 113295), (4316, 92085), (4385, 90636), (4980, 79807), (5262, 75530), (5395, 73668), (5460, 72791), (5810, 68406), (6139, 64740), (6474, 61390), (6972, 57005), (7553, 52620), (8715, 45604), (8770, 45318), (10524, 37765), (10790, 36834), (11401, 34860), (11620, 34203), (12278, 32370), (12948, 30695), (13155, 30212), (15106, 26310), (16185, 24556), (17430, 22802), (17540, 22659), (18417, 21580)]