217422010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{751}}^1$

素因数の和:919

約数の個数: 64

約数和(自身を含む): 450261504

約数和(自身を除く): 232839494

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 131, 170, 221, 262, 442, 655, 751, 1105, 1310, 1502, 1703, 2210, 2227, 3406, 3755, 4454, 7510, 8515, 9763, 11135, 12767, 17030, 19526, 22270, 25534, 28951, 48815, 57902, 63835, 97630, 98381, 127670, 144755, 165971, 196762, 289510, 331942, 491905, 829855, 983810, 1278953, 1659710, 1672477, 2557906, 3344954, 6394765, 8362385, 12789530, 16724770, 21742201, 43484402, 108711005, 217422010]

約数ペア:

[(1, 217422010), (2, 108711005), (5, 43484402), (10, 21742201), (13, 16724770), (17, 12789530), (26, 8362385), (34, 6394765), (65, 3344954), (85, 2557906), (130, 1672477), (131, 1659710), (170, 1278953), (221, 983810), (262, 829855), (442, 491905), (655, 331942), (751, 289510), (1105, 196762), (1310, 165971), (1502, 144755), (1703, 127670), (2210, 98381), (2227, 97630), (3406, 63835), (3755, 57902), (4454, 48815), (7510, 28951), (8515, 25534), (9763, 22270), (11135, 19526), (12767, 17030)]