87857900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3557}}^1$

素因数の和:3603

約数の個数: 72

約数和(自身を含む): 216184080

約数和(自身を除く): 128326180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1300, 1900, 2470, 3557, 4940, 6175, 7114, 12350, 14228, 17785, 24700, 35570, 46241, 67583, 71140, 88925, 92482, 135166, 177850, 184964, 231205, 270332, 337915, 355700, 462410, 675830, 878579, 924820, 1156025, 1351660, 1689575, 1757158, 2312050, 3379150, 3514316, 4392895, 4624100, 6758300, 8785790, 17571580, 21964475, 43928950, 87857900]

約数ペア:

[(1, 87857900), (2, 43928950), (4, 21964475), (5, 17571580), (10, 8785790), (13, 6758300), (19, 4624100), (20, 4392895), (25, 3514316), (26, 3379150), (38, 2312050), (50, 1757158), (52, 1689575), (65, 1351660), (76, 1156025), (95, 924820), (100, 878579), (130, 675830), (190, 462410), (247, 355700), (260, 337915), (325, 270332), (380, 231205), (475, 184964), (494, 177850), (650, 135166), (950, 92482), (988, 88925), (1235, 71140), (1300, 67583), (1900, 46241), (2470, 35570), (3557, 24700), (4940, 17785), (6175, 14228), (7114, 12350)]