642200440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{14071}}^1$

素因数の和:14252

約数の個数: 64

約数和(自身を含む): 1661621760

約数和(自身を除く): 1019421320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1630, 2282, 3260, 4564, 5705, 6520, 9128, 11410, 14071, 22820, 28142, 45640, 56284, 70355, 98497, 112568, 140710, 196994, 281420, 393988, 492485, 562840, 787976, 984970, 1969940, 2293573, 3939880, 4587146, 9174292, 11467865, 16055011, 18348584, 22935730, 32110022, 45871460, 64220044, 80275055, 91742920, 128440088, 160550110, 321100220, 642200440]

約数ペア:

[(1, 642200440), (2, 321100220), (4, 160550110), (5, 128440088), (7, 91742920), (8, 80275055), (10, 64220044), (14, 45871460), (20, 32110022), (28, 22935730), (35, 18348584), (40, 16055011), (56, 11467865), (70, 9174292), (140, 4587146), (163, 3939880), (280, 2293573), (326, 1969940), (652, 984970), (815, 787976), (1141, 562840), (1304, 492485), (1630, 393988), (2282, 281420), (3260, 196994), (4564, 140710), (5705, 112568), (6520, 98497), (9128, 70355), (11410, 56284), (14071, 45640), (22820, 28142)]