520161290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{13099}}^1$

素因数の和:13155

約数の個数: 48

約数和(自身を含む): 1078077600

約数和(自身を除く): 557916310

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 361, 418, 722, 1045, 1805, 2090, 3610, 3971, 7942, 13099, 19855, 26198, 39710, 65495, 130990, 144089, 248881, 288178, 497762, 720445, 1244405, 1440890, 2488810, 2737691, 4728739, 5475382, 9457478, 13688455, 23643695, 27376910, 47287390, 52016129, 104032258, 260080645, 520161290]

約数ペア:

[(1, 520161290), (2, 260080645), (5, 104032258), (10, 52016129), (11, 47287390), (19, 27376910), (22, 23643695), (38, 13688455), (55, 9457478), (95, 5475382), (110, 4728739), (190, 2737691), (209, 2488810), (361, 1440890), (418, 1244405), (722, 720445), (1045, 497762), (1805, 288178), (2090, 248881), (3610, 144089), (3971, 130990), (7942, 65495), (13099, 39710), (19855, 26198)]