287305840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{189017}}^1$

素因数の和:189049

約数の個数: 40

約数和(自身を含む): 703146960

約数和(自身を除く): 415841120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 189017, 378034, 756068, 945085, 1512136, 1890170, 3024272, 3591323, 3780340, 7182646, 7560680, 14365292, 15121360, 17956615, 28730584, 35913230, 57461168, 71826460, 143652920, 287305840]

約数ペア:

[(1, 287305840), (2, 143652920), (4, 71826460), (5, 57461168), (8, 35913230), (10, 28730584), (16, 17956615), (19, 15121360), (20, 14365292), (38, 7560680), (40, 7182646), (76, 3780340), (80, 3591323), (95, 3024272), (152, 1890170), (190, 1512136), (304, 945085), (380, 756068), (760, 378034), (1520, 189017)]