1961043580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1\times {\mathrm{4099}}^1$

素因数の和:5386

約数の個数: 48

約数和(自身を含む): 4339440000

約数和(自身を除く): 2378396420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1259, 2518, 4099, 5036, 6295, 8198, 12590, 16396, 20495, 23921, 25180, 40990, 47842, 77881, 81980, 95684, 119605, 155762, 239210, 311524, 389405, 478420, 778810, 1557620, 5160641, 10321282, 20642564, 25803205, 51606410, 98052179, 103212820, 196104358, 392208716, 490260895, 980521790, 1961043580]

約数ペア:

[(1, 1961043580), (2, 980521790), (4, 490260895), (5, 392208716), (10, 196104358), (19, 103212820), (20, 98052179), (38, 51606410), (76, 25803205), (95, 20642564), (190, 10321282), (380, 5160641), (1259, 1557620), (2518, 778810), (4099, 478420), (5036, 389405), (6295, 311524), (8198, 239210), (12590, 155762), (16396, 119605), (20495, 95684), (23921, 81980), (25180, 77881), (40990, 47842)]