865852420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{78571}}^1$

素因数の和:78628

約数の個数: 48

約数和(自身を含む): 1980014400

約数和(自身を除く): 1114161980

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 11020, 78571, 157142, 314284, 392855, 785710, 1492849, 1571420, 2278559, 2985698, 4557118, 5971396, 7464245, 9114236, 11392795, 14928490, 22785590, 29856980, 43292621, 45571180, 86585242, 173170484, 216463105, 432926210, 865852420]

約数ペア:

[(1, 865852420), (2, 432926210), (4, 216463105), (5, 173170484), (10, 86585242), (19, 45571180), (20, 43292621), (29, 29856980), (38, 22785590), (58, 14928490), (76, 11392795), (95, 9114236), (116, 7464245), (145, 5971396), (190, 4557118), (290, 2985698), (380, 2278559), (551, 1571420), (580, 1492849), (1102, 785710), (2204, 392855), (2755, 314284), (5510, 157142), (11020, 78571)]