207686980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{11551}}^1$

素因数の和:11620

約数の個数: 48

約数和(自身を含む): 465776640

約数和(自身を除く): 258089660

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 8990, 11551, 17980, 23102, 46204, 57755, 115510, 231020, 334979, 358081, 669958, 716162, 1339916, 1432324, 1674895, 1790405, 3349790, 3580810, 6699580, 7161620, 10384349, 20768698, 41537396, 51921745, 103843490, 207686980]

約数ペア:

[(1, 207686980), (2, 103843490), (4, 51921745), (5, 41537396), (10, 20768698), (20, 10384349), (29, 7161620), (31, 6699580), (58, 3580810), (62, 3349790), (116, 1790405), (124, 1674895), (145, 1432324), (155, 1339916), (290, 716162), (310, 669958), (580, 358081), (620, 334979), (899, 231020), (1798, 115510), (3596, 57755), (4495, 46204), (8990, 23102), (11551, 17980)]