77991420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99989}}^1$

素因数の和:100014

約数の個数: 48

約数和(自身を含む): 235176480

約数和(自身を除く): 157185060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 99989, 199978, 299967, 399956, 499945, 599934, 999890, 1199868, 1299857, 1499835, 1999780, 2599714, 2999670, 3899571, 5199428, 5999340, 6499285, 7799142, 12998570, 15598284, 19497855, 25997140, 38995710, 77991420]

約数ペア:

[(1, 77991420), (2, 38995710), (3, 25997140), (4, 19497855), (5, 15598284), (6, 12998570), (10, 7799142), (12, 6499285), (13, 5999340), (15, 5199428), (20, 3899571), (26, 2999670), (30, 2599714), (39, 1999780), (52, 1499835), (60, 1299857), (65, 1199868), (78, 999890), (130, 599934), (156, 499945), (195, 399956), (260, 299967), (390, 199978), (780, 99989)]