2012945275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 2769072768

約数和(自身を除く): 756127493

約数列:

[1, 5, 11, 25, 55, 113, 211, 275, 307, 565, 1055, 1243, 1535, 2321, 2825, 3377, 5275, 6215, 7675, 11605, 16885, 23843, 31075, 34691, 58025, 64777, 84425, 119215, 173455, 262273, 323885, 381601, 596075, 712547, 867275, 1311365, 1619425, 1908005, 3562735, 6556825, 7319801, 9540025, 17813675, 36599005, 80517811, 182995025, 402589055, 2012945275]

約数ペア:

[(1, 2012945275), (5, 402589055), (11, 182995025), (25, 80517811), (55, 36599005), (113, 17813675), (211, 9540025), (275, 7319801), (307, 6556825), (565, 3562735), (1055, 1908005), (1243, 1619425), (1535, 1311365), (2321, 867275), (2825, 712547), (3377, 596075), (5275, 381601), (6215, 323885), (7675, 262273), (11605, 173455), (16885, 119215), (23843, 84425), (31075, 64777), (34691, 58025)]