128320904

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 258508800

約数和(自身を除く): 130187896

約数列:

[1, 2, 4, 8, 31, 47, 62, 94, 101, 109, 124, 188, 202, 218, 248, 376, 404, 436, 808, 872, 1457, 2914, 3131, 3379, 4747, 5123, 5828, 6262, 6758, 9494, 10246, 11009, 11656, 12524, 13516, 18988, 20492, 22018, 25048, 27032, 37976, 40984, 44036, 88072, 147157, 158813, 294314, 317626, 341279, 517423, 588628, 635252, 682558, 1034846, 1177256, 1270504, 1365116, 2069692, 2730232, 4139384, 16040113, 32080226, 64160452, 128320904]

約数ペア:

[(1, 128320904), (2, 64160452), (4, 32080226), (8, 16040113), (31, 4139384), (47, 2730232), (62, 2069692), (94, 1365116), (101, 1270504), (109, 1177256), (124, 1034846), (188, 682558), (202, 635252), (218, 588628), (248, 517423), (376, 341279), (404, 317626), (436, 294314), (808, 158813), (872, 147157), (1457, 88072), (2914, 44036), (3131, 40984), (3379, 37976), (4747, 27032), (5123, 25048), (5828, 22018), (6262, 20492), (6758, 18988), (9494, 13516), (10246, 12524), (11009, 11656)]