2201000

素因数分解:

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

素因数の和:123

約数の個数: 64

約数和(自身を含む): 5391360

約数和(自身を除く): 3190360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 71, 100, 124, 125, 142, 155, 200, 248, 250, 284, 310, 355, 500, 568, 620, 710, 775, 1000, 1240, 1420, 1550, 1775, 2201, 2840, 3100, 3550, 3875, 4402, 6200, 7100, 7750, 8804, 8875, 11005, 14200, 15500, 17608, 17750, 22010, 31000, 35500, 44020, 55025, 71000, 88040, 110050, 220100, 275125, 440200, 550250, 1100500, 2201000]

約数ペア:

[(1, 2201000), (2, 1100500), (4, 550250), (5, 440200), (8, 275125), (10, 220100), (20, 110050), (25, 88040), (31, 71000), (40, 55025), (50, 44020), (62, 35500), (71, 31000), (100, 22010), (124, 17750), (125, 17608), (142, 15500), (155, 14200), (200, 11005), (248, 8875), (250, 8804), (284, 7750), (310, 7100), (355, 6200), (500, 4402), (568, 3875), (620, 3550), (710, 3100), (775, 2840), (1000, 2201), (1240, 1775), (1420, 1550)]