17353820

素因数分解:

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

素因数の和:203

約数の個数: 72

約数和(自身を含む): 41023584

約数和(自身を除く): 23669764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 101, 110, 121, 142, 202, 220, 242, 284, 355, 404, 484, 505, 605, 710, 781, 1010, 1111, 1210, 1420, 1562, 2020, 2222, 2420, 3124, 3905, 4444, 5555, 7171, 7810, 8591, 11110, 12221, 14342, 15620, 17182, 22220, 24442, 28684, 34364, 35855, 42955, 48884, 61105, 71710, 78881, 85910, 122210, 143420, 157762, 171820, 244420, 315524, 394405, 788810, 867691, 1577620, 1735382, 3470764, 4338455, 8676910, 17353820]

約数ペア:

[(1, 17353820), (2, 8676910), (4, 4338455), (5, 3470764), (10, 1735382), (11, 1577620), (20, 867691), (22, 788810), (44, 394405), (55, 315524), (71, 244420), (101, 171820), (110, 157762), (121, 143420), (142, 122210), (202, 85910), (220, 78881), (242, 71710), (284, 61105), (355, 48884), (404, 42955), (484, 35855), (505, 34364), (605, 28684), (710, 24442), (781, 22220), (1010, 17182), (1111, 15620), (1210, 14342), (1420, 12221), (1562, 11110), (2020, 8591), (2222, 7810), (2420, 7171), (3124, 5555), (3905, 4444)]