1028888900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{2647}}^1$

素因数の和:2710

約数の個数: 108

約数和(自身を含む): 2523713472

約数和(自身を除く): 1494824572

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 92, 100, 115, 130, 169, 230, 260, 299, 325, 338, 460, 575, 598, 650, 676, 845, 1150, 1196, 1300, 1495, 1690, 2300, 2647, 2990, 3380, 3887, 4225, 5294, 5980, 7475, 7774, 8450, 10588, 13235, 14950, 15548, 16900, 19435, 26470, 29900, 34411, 38870, 52940, 60881, 66175, 68822, 77740, 97175, 121762, 132350, 137644, 172055, 194350, 243524, 264700, 304405, 344110, 388700, 447343, 608810, 688220, 791453, 860275, 894686, 1217620, 1522025, 1582906, 1720550, 1789372, 2236715, 3044050, 3165812, 3441100, 3957265, 4473430, 6088100, 7914530, 8946860, 10288889, 11183575, 15829060, 19786325, 20577778, 22367150, 39572650, 41155556, 44734300, 51444445, 79145300, 102888890, 205777780, 257222225, 514444450, 1028888900]

約数ペア:

[(1, 1028888900), (2, 514444450), (4, 257222225), (5, 205777780), (10, 102888890), (13, 79145300), (20, 51444445), (23, 44734300), (25, 41155556), (26, 39572650), (46, 22367150), (50, 20577778), (52, 19786325), (65, 15829060), (92, 11183575), (100, 10288889), (115, 8946860), (130, 7914530), (169, 6088100), (230, 4473430), (260, 3957265), (299, 3441100), (325, 3165812), (338, 3044050), (460, 2236715), (575, 1789372), (598, 1720550), (650, 1582906), (676, 1522025), (845, 1217620), (1150, 894686), (1196, 860275), (1300, 791453), (1495, 688220), (1690, 608810), (2300, 447343), (2647, 388700), (2990, 344110), (3380, 304405), (3887, 264700), (4225, 243524), (5294, 194350), (5980, 172055), (7475, 137644), (7774, 132350), (8450, 121762), (10588, 97175), (13235, 77740), (14950, 68822), (15548, 66175), (16900, 60881), (19435, 52940), (26470, 38870), (29900, 34411)]