131096920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{313}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 304981920

約数和(自身を除く): 173885000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 283, 296, 313, 370, 566, 626, 740, 1132, 1252, 1415, 1480, 1565, 2264, 2504, 2830, 3130, 5660, 6260, 10471, 11320, 11581, 12520, 20942, 23162, 41884, 46324, 52355, 57905, 83768, 88579, 92648, 104710, 115810, 177158, 209420, 231620, 354316, 418840, 442895, 463240, 708632, 885790, 1771580, 3277423, 3543160, 6554846, 13109692, 16387115, 26219384, 32774230, 65548460, 131096920]

約数ペア:

[(1, 131096920), (2, 65548460), (4, 32774230), (5, 26219384), (8, 16387115), (10, 13109692), (20, 6554846), (37, 3543160), (40, 3277423), (74, 1771580), (148, 885790), (185, 708632), (283, 463240), (296, 442895), (313, 418840), (370, 354316), (566, 231620), (626, 209420), (740, 177158), (1132, 115810), (1252, 104710), (1415, 92648), (1480, 88579), (1565, 83768), (2264, 57905), (2504, 52355), (2830, 46324), (3130, 41884), (5660, 23162), (6260, 20942), (10471, 12520), (11320, 11581)]