7888100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 19123776

約数和(自身を除く): 11235676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 101, 110, 142, 202, 220, 275, 284, 355, 404, 505, 550, 710, 781, 1010, 1100, 1111, 1420, 1562, 1775, 2020, 2222, 2525, 3124, 3550, 3905, 4444, 5050, 5555, 7100, 7171, 7810, 10100, 11110, 14342, 15620, 19525, 22220, 27775, 28684, 35855, 39050, 55550, 71710, 78100, 78881, 111100, 143420, 157762, 179275, 315524, 358550, 394405, 717100, 788810, 1577620, 1972025, 3944050, 7888100]

約数ペア:

[(1, 7888100), (2, 3944050), (4, 1972025), (5, 1577620), (10, 788810), (11, 717100), (20, 394405), (22, 358550), (25, 315524), (44, 179275), (50, 157762), (55, 143420), (71, 111100), (100, 78881), (101, 78100), (110, 71710), (142, 55550), (202, 39050), (220, 35855), (275, 28684), (284, 27775), (355, 22220), (404, 19525), (505, 15620), (550, 14342), (710, 11110), (781, 10100), (1010, 7810), (1100, 7171), (1111, 7100), (1420, 5555), (1562, 5050), (1775, 4444), (2020, 3905), (2222, 3550), (2525, 3124)]