3928340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 9208080

約数和(自身を除く): 5279740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 521, 580, 754, 1042, 1508, 1885, 2084, 2605, 3770, 5210, 6773, 7540, 10420, 13546, 15109, 27092, 30218, 33865, 60436, 67730, 75545, 135460, 151090, 196417, 302180, 392834, 785668, 982085, 1964170, 3928340]

約数ペア:

[(1, 3928340), (2, 1964170), (4, 982085), (5, 785668), (10, 392834), (13, 302180), (20, 196417), (26, 151090), (29, 135460), (52, 75545), (58, 67730), (65, 60436), (116, 33865), (130, 30218), (145, 27092), (260, 15109), (290, 13546), (377, 10420), (521, 7540), (580, 6773), (754, 5210), (1042, 3770), (1508, 2605), (1885, 2084)]