2018092100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{4967}}^1$

素因数の和:5237

約数の個数: 72

約数和(自身を含む): 4657201920

約数和(自身を除く): 2639109820

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 239, 340, 425, 478, 850, 956, 1195, 1700, 2390, 4063, 4780, 4967, 5975, 8126, 9934, 11950, 16252, 19868, 20315, 23900, 24835, 40630, 49670, 81260, 84439, 99340, 101575, 124175, 168878, 203150, 248350, 337756, 406300, 422195, 496700, 844390, 1187113, 1688780, 2110975, 2374226, 4221950, 4748452, 5935565, 8443900, 11871130, 20180921, 23742260, 29677825, 40361842, 59355650, 80723684, 100904605, 118711300, 201809210, 403618420, 504523025, 1009046050, 2018092100]

約数ペア:

[(1, 2018092100), (2, 1009046050), (4, 504523025), (5, 403618420), (10, 201809210), (17, 118711300), (20, 100904605), (25, 80723684), (34, 59355650), (50, 40361842), (68, 29677825), (85, 23742260), (100, 20180921), (170, 11871130), (239, 8443900), (340, 5935565), (425, 4748452), (478, 4221950), (850, 2374226), (956, 2110975), (1195, 1688780), (1700, 1187113), (2390, 844390), (4063, 496700), (4780, 422195), (4967, 406300), (5975, 337756), (8126, 248350), (9934, 203150), (11950, 168878), (16252, 124175), (19868, 101575), (20315, 99340), (23900, 84439), (24835, 81260), (40630, 49670)]