31498390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2153}}^1$

素因数の和:2197

約数の個数: 64

約数和(自身を含む): 74442240

約数和(自身を除く): 42943850

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1330, 1463, 2090, 2153, 2926, 4306, 7315, 10765, 14630, 15071, 21530, 23683, 30142, 40907, 47366, 75355, 81814, 118415, 150710, 165781, 204535, 236830, 286349, 331562, 409070, 449977, 572698, 828905, 899954, 1431745, 1657810, 2249885, 2863490, 3149839, 4499770, 6299678, 15749195, 31498390]

約数ペア:

[(1, 31498390), (2, 15749195), (5, 6299678), (7, 4499770), (10, 3149839), (11, 2863490), (14, 2249885), (19, 1657810), (22, 1431745), (35, 899954), (38, 828905), (55, 572698), (70, 449977), (77, 409070), (95, 331562), (110, 286349), (133, 236830), (154, 204535), (190, 165781), (209, 150710), (266, 118415), (385, 81814), (418, 75355), (665, 47366), (770, 40907), (1045, 30142), (1330, 23683), (1463, 21530), (2090, 15071), (2153, 14630), (2926, 10765), (4306, 7315)]