331396850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1163}}^1$

素因数の和:1355

約数の個数: 48

約数和(自身を含む): 636521760

約数和(自身を除く): 305124910

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 139, 205, 278, 410, 695, 1025, 1163, 1390, 2050, 2326, 3475, 5699, 5815, 6950, 11398, 11630, 28495, 29075, 47683, 56990, 58150, 95366, 142475, 161657, 238415, 284950, 323314, 476830, 808285, 1192075, 1616570, 2384150, 4041425, 6627937, 8082850, 13255874, 33139685, 66279370, 165698425, 331396850]

約数ペア:

[(1, 331396850), (2, 165698425), (5, 66279370), (10, 33139685), (25, 13255874), (41, 8082850), (50, 6627937), (82, 4041425), (139, 2384150), (205, 1616570), (278, 1192075), (410, 808285), (695, 476830), (1025, 323314), (1163, 284950), (1390, 238415), (2050, 161657), (2326, 142475), (3475, 95366), (5699, 58150), (5815, 56990), (6950, 47683), (11398, 29075), (11630, 28495)]