440200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 1071360

約数和(自身を除く): 631160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 71, 100, 124, 142, 155, 200, 248, 284, 310, 355, 568, 620, 710, 775, 1240, 1420, 1550, 1775, 2201, 2840, 3100, 3550, 4402, 6200, 7100, 8804, 11005, 14200, 17608, 22010, 44020, 55025, 88040, 110050, 220100, 440200]

約数ペア:

[(1, 440200), (2, 220100), (4, 110050), (5, 88040), (8, 55025), (10, 44020), (20, 22010), (25, 17608), (31, 14200), (40, 11005), (50, 8804), (62, 7100), (71, 6200), (100, 4402), (124, 3550), (142, 3100), (155, 2840), (200, 2201), (248, 1775), (284, 1550), (310, 1420), (355, 1240), (568, 775), (620, 710)]