123979660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 313850880

約数和(自身を除く): 189871220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 139, 140, 161, 230, 277, 278, 322, 460, 554, 556, 644, 695, 805, 973, 1108, 1385, 1390, 1610, 1939, 1946, 2770, 2780, 3197, 3220, 3878, 3892, 4865, 5540, 6371, 6394, 7756, 9695, 9730, 12742, 12788, 15985, 19390, 19460, 22379, 25484, 31855, 31970, 38503, 38780, 44597, 44758, 63710, 63940, 77006, 89194, 89516, 111895, 127420, 154012, 178388, 192515, 222985, 223790, 269521, 385030, 445970, 447580, 539042, 770060, 885569, 891940, 1078084, 1347605, 1771138, 2695210, 3542276, 4427845, 5390420, 6198983, 8855690, 12397966, 17711380, 24795932, 30994915, 61989830, 123979660]

約数ペア:

[(1, 123979660), (2, 61989830), (4, 30994915), (5, 24795932), (7, 17711380), (10, 12397966), (14, 8855690), (20, 6198983), (23, 5390420), (28, 4427845), (35, 3542276), (46, 2695210), (70, 1771138), (92, 1347605), (115, 1078084), (139, 891940), (140, 885569), (161, 770060), (230, 539042), (277, 447580), (278, 445970), (322, 385030), (460, 269521), (554, 223790), (556, 222985), (644, 192515), (695, 178388), (805, 154012), (973, 127420), (1108, 111895), (1385, 89516), (1390, 89194), (1610, 77006), (1939, 63940), (1946, 63710), (2770, 44758), (2780, 44597), (3197, 38780), (3220, 38503), (3878, 31970), (3892, 31855), (4865, 25484), (5540, 22379), (6371, 19460), (6394, 19390), (7756, 15985), (9695, 12788), (9730, 12742)]