518156900380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{12895891}}^1$

素因数の和:12895955

約数の個数: 72

約数和(自身を含む): 1296656148816

約数和(自身を除く): 778499248436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4018, 5740, 8036, 10045, 20090, 40180, 12895891, 25791782, 51583564, 64479455, 90271237, 128958910, 180542474, 257917820, 361084948, 451356185, 528731531, 631898659, 902712370, 1057463062, 1263797318, 1805424740, 2114926124, 2527594636, 2643657655, 3159493295, 3701120717, 5287315310, 6318986590, 7402241434, 10574630620, 12637973180, 14804482868, 18505603585, 25907845019, 37011207170, 51815690038, 74022414340, 103631380076, 129539225095, 259078450190, 518156900380]

約数ペア:

[(1, 518156900380), (2, 259078450190), (4, 129539225095), (5, 103631380076), (7, 74022414340), (10, 51815690038), (14, 37011207170), (20, 25907845019), (28, 18505603585), (35, 14804482868), (41, 12637973180), (49, 10574630620), (70, 7402241434), (82, 6318986590), (98, 5287315310), (140, 3701120717), (164, 3159493295), (196, 2643657655), (205, 2527594636), (245, 2114926124), (287, 1805424740), (410, 1263797318), (490, 1057463062), (574, 902712370), (820, 631898659), (980, 528731531), (1148, 451356185), (1435, 361084948), (2009, 257917820), (2870, 180542474), (4018, 128958910), (5740, 90271237), (8036, 64479455), (10045, 51583564), (20090, 25791782), (40180, 12895891)]