28240250

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 56339712

約数和(自身を除く): 28099462

約数列:

[1, 2, 5, 10, 25, 37, 43, 50, 71, 74, 86, 125, 142, 185, 215, 250, 355, 370, 430, 710, 925, 1075, 1591, 1775, 1850, 2150, 2627, 3053, 3182, 3550, 4625, 5254, 5375, 6106, 7955, 8875, 9250, 10750, 13135, 15265, 15910, 17750, 26270, 30530, 39775, 65675, 76325, 79550, 112961, 131350, 152650, 198875, 225922, 328375, 381625, 397750, 564805, 656750, 763250, 1129610, 2824025, 5648050, 14120125, 28240250]

約数ペア:

[(1, 28240250), (2, 14120125), (5, 5648050), (10, 2824025), (25, 1129610), (37, 763250), (43, 656750), (50, 564805), (71, 397750), (74, 381625), (86, 328375), (125, 225922), (142, 198875), (185, 152650), (215, 131350), (250, 112961), (355, 79550), (370, 76325), (430, 65675), (710, 39775), (925, 30530), (1075, 26270), (1591, 17750), (1775, 15910), (1850, 15265), (2150, 13135), (2627, 10750), (3053, 9250), (3182, 8875), (3550, 7955), (4625, 6106), (5254, 5375)]