551036780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{126967}}^1$

素因数の和:127014

約数の個数: 48

約数和(自身を含む): 1365159936

約数和(自身を除く): 814123156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 126967, 253934, 507868, 634835, 888769, 1269670, 1777538, 2539340, 3555076, 3935977, 4443845, 7871954, 8887690, 15743908, 17775380, 19679885, 27551839, 39359770, 55103678, 78719540, 110207356, 137759195, 275518390, 551036780]

約数ペア:

[(1, 551036780), (2, 275518390), (4, 137759195), (5, 110207356), (7, 78719540), (10, 55103678), (14, 39359770), (20, 27551839), (28, 19679885), (31, 17775380), (35, 15743908), (62, 8887690), (70, 7871954), (124, 4443845), (140, 3935977), (155, 3555076), (217, 2539340), (310, 1777538), (434, 1269670), (620, 888769), (868, 634835), (1085, 507868), (2170, 253934), (4340, 126967)]