200867620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 456249024

約数和(自身を除く): 255381404

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 361, 380, 430, 647, 722, 817, 860, 1294, 1444, 1634, 1805, 2588, 3235, 3268, 3610, 4085, 6470, 7220, 8170, 12293, 12940, 15523, 16340, 24586, 27821, 31046, 49172, 55642, 61465, 62092, 77615, 111284, 122930, 139105, 155230, 233567, 245860, 278210, 310460, 467134, 528599, 556420, 934268, 1057198, 1167835, 2114396, 2335670, 2642995, 4671340, 5285990, 10043381, 10571980, 20086762, 40173524, 50216905, 100433810, 200867620]

約数ペア:

[(1, 200867620), (2, 100433810), (4, 50216905), (5, 40173524), (10, 20086762), (19, 10571980), (20, 10043381), (38, 5285990), (43, 4671340), (76, 2642995), (86, 2335670), (95, 2114396), (172, 1167835), (190, 1057198), (215, 934268), (361, 556420), (380, 528599), (430, 467134), (647, 310460), (722, 278210), (817, 245860), (860, 233567), (1294, 155230), (1444, 139105), (1634, 122930), (1805, 111284), (2588, 77615), (3235, 62092), (3268, 61465), (3610, 55642), (4085, 49172), (6470, 31046), (7220, 27821), (8170, 24586), (12293, 16340), (12940, 15523)]