2751250

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 40

約数和(自身を含む): 5398272

約数和(自身を除く): 2647022

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 71, 125, 142, 155, 250, 310, 355, 625, 710, 775, 1250, 1550, 1775, 2201, 3550, 3875, 4402, 7750, 8875, 11005, 17750, 19375, 22010, 38750, 44375, 55025, 88750, 110050, 275125, 550250, 1375625, 2751250]

約数ペア:

[(1, 2751250), (2, 1375625), (5, 550250), (10, 275125), (25, 110050), (31, 88750), (50, 55025), (62, 44375), (71, 38750), (125, 22010), (142, 19375), (155, 17750), (250, 11005), (310, 8875), (355, 7750), (625, 4402), (710, 3875), (775, 3550), (1250, 2201), (1550, 1775)]