28938500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1917

約数の個数: 48

約数和(自身を含む): 65275392

約数和(自身を除く): 36336892

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 1550, 1867, 3100, 3734, 3875, 7468, 7750, 9335, 15500, 18670, 37340, 46675, 57877, 93350, 115754, 186700, 231508, 233375, 289385, 466750, 578770, 933500, 1157540, 1446925, 2893850, 5787700, 7234625, 14469250, 28938500]

約数ペア:

[(1, 28938500), (2, 14469250), (4, 7234625), (5, 5787700), (10, 2893850), (20, 1446925), (25, 1157540), (31, 933500), (50, 578770), (62, 466750), (100, 289385), (124, 233375), (125, 231508), (155, 186700), (250, 115754), (310, 93350), (500, 57877), (620, 46675), (775, 37340), (1550, 18670), (1867, 15500), (3100, 9335), (3734, 7750), (3875, 7468)]