28710110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1181}}^1$

素因数の和:1229

約数の個数: 64

約数和(自身を含む): 64338624

約数和(自身を除く): 35628514

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 715, 935, 1105, 1181, 1430, 1870, 2210, 2362, 2431, 4862, 5905, 11810, 12155, 12991, 15353, 20077, 24310, 25982, 30706, 40154, 64955, 76765, 100385, 129910, 153530, 168883, 200770, 220847, 261001, 337766, 441694, 522002, 844415, 1104235, 1305005, 1688830, 2208470, 2610010, 2871011, 5742022, 14355055, 28710110]

約数ペア:

[(1, 28710110), (2, 14355055), (5, 5742022), (10, 2871011), (11, 2610010), (13, 2208470), (17, 1688830), (22, 1305005), (26, 1104235), (34, 844415), (55, 522002), (65, 441694), (85, 337766), (110, 261001), (130, 220847), (143, 200770), (170, 168883), (187, 153530), (221, 129910), (286, 100385), (374, 76765), (442, 64955), (715, 40154), (935, 30706), (1105, 25982), (1181, 24310), (1430, 20077), (1870, 15353), (2210, 12991), (2362, 12155), (2431, 11810), (4862, 5905)]