209849850

素因数分解:

$2^1\times 3^2\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:370

約数の個数: 216

約数和(自身を含む): 679206528

約数和(自身を除く): 469356678

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 31, 35, 42, 45, 49, 50, 62, 63, 70, 75, 90, 93, 98, 105, 126, 147, 150, 155, 175, 186, 210, 217, 225, 245, 279, 294, 307, 310, 315, 350, 434, 441, 450, 465, 490, 525, 558, 614, 630, 651, 735, 775, 882, 921, 930, 1050, 1085, 1225, 1302, 1395, 1470, 1519, 1535, 1550, 1575, 1842, 1953, 2149, 2170, 2205, 2325, 2450, 2763, 2790, 3038, 3070, 3150, 3255, 3675, 3906, 4298, 4410, 4557, 4605, 4650, 5425, 5526, 6447, 6510, 6975, 7350, 7595, 7675, 9114, 9210, 9517, 9765, 10745, 10850, 11025, 12894, 13671, 13815, 13950, 15043, 15190, 15350, 16275, 19034, 19341, 19530, 21490, 22050, 22785, 23025, 27342, 27630, 28551, 30086, 32235, 32550, 37975, 38682, 45129, 45570, 46050, 47585, 48825, 53725, 57102, 64470, 66619, 68355, 69075, 75215, 75950, 85653, 90258, 95170, 96705, 97650, 107450, 113925, 133238, 135387, 136710, 138150, 142755, 150430, 161175, 171306, 193410, 199857, 225645, 227850, 237925, 270774, 285510, 322350, 333095, 341775, 376075, 399714, 428265, 451290, 466333, 475850, 483525, 599571, 666190, 676935, 683550, 713775, 752150, 856530, 932666, 967050, 999285, 1128225, 1199142, 1353870, 1398999, 1427550, 1665475, 1998570, 2141325, 2256450, 2331665, 2797998, 2997855, 3330950, 3384675, 4196997, 4282650, 4663330, 4996425, 5995710, 6769350, 6994995, 8393994, 9992850, 11658325, 13989990, 14989275, 20984985, 23316650, 29978550, 34974975, 41969970, 69949950, 104924925, 209849850]

約数ペア:

[(1, 209849850), (2, 104924925), (3, 69949950), (5, 41969970), (6, 34974975), (7, 29978550), (9, 23316650), (10, 20984985), (14, 14989275), (15, 13989990), (18, 11658325), (21, 9992850), (25, 8393994), (30, 6994995), (31, 6769350), (35, 5995710), (42, 4996425), (45, 4663330), (49, 4282650), (50, 4196997), (62, 3384675), (63, 3330950), (70, 2997855), (75, 2797998), (90, 2331665), (93, 2256450), (98, 2141325), (105, 1998570), (126, 1665475), (147, 1427550), (150, 1398999), (155, 1353870), (175, 1199142), (186, 1128225), (210, 999285), (217, 967050), (225, 932666), (245, 856530), (279, 752150), (294, 713775), (307, 683550), (310, 676935), (315, 666190), (350, 599571), (434, 483525), (441, 475850), (450, 466333), (465, 451290), (490, 428265), (525, 399714), (558, 376075), (614, 341775), (630, 333095), (651, 322350), (735, 285510), (775, 270774), (882, 237925), (921, 227850), (930, 225645), (1050, 199857), (1085, 193410), (1225, 171306), (1302, 161175), (1395, 150430), (1470, 142755), (1519, 138150), (1535, 136710), (1550, 135387), (1575, 133238), (1842, 113925), (1953, 107450), (2149, 97650), (2170, 96705), (2205, 95170), (2325, 90258), (2450, 85653), (2763, 75950), (2790, 75215), (3038, 69075), (3070, 68355), (3150, 66619), (3255, 64470), (3675, 57102), (3906, 53725), (4298, 48825), (4410, 47585), (4557, 46050), (4605, 45570), (4650, 45129), (5425, 38682), (5526, 37975), (6447, 32550), (6510, 32235), (6975, 30086), (7350, 28551), (7595, 27630), (7675, 27342), (9114, 23025), (9210, 22785), (9517, 22050), (9765, 21490), (10745, 19530), (10850, 19341), (11025, 19034), (12894, 16275), (13671, 15350), (13815, 15190), (13950, 15043)]