8889200

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:402

約数の個数: 60

約数和(自身を含む): 21726288

約数和(自身を除く): 12837088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 313, 355, 400, 568, 626, 710, 1136, 1252, 1420, 1565, 1775, 2504, 2840, 3130, 3550, 5008, 5680, 6260, 7100, 7825, 12520, 14200, 15650, 22223, 25040, 28400, 31300, 44446, 62600, 88892, 111115, 125200, 177784, 222230, 355568, 444460, 555575, 888920, 1111150, 1777840, 2222300, 4444600, 8889200]

約数ペア:

[(1, 8889200), (2, 4444600), (4, 2222300), (5, 1777840), (8, 1111150), (10, 888920), (16, 555575), (20, 444460), (25, 355568), (40, 222230), (50, 177784), (71, 125200), (80, 111115), (100, 88892), (142, 62600), (200, 44446), (284, 31300), (313, 28400), (355, 25040), (400, 22223), (568, 15650), (626, 14200), (710, 12520), (1136, 7825), (1252, 7100), (1420, 6260), (1565, 5680), (1775, 5008), (2504, 3550), (2840, 3130)]