420283370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 910103040

約数和(自身を除く): 489819670

約数列:

[1, 2, 5, 10, 13, 23, 26, 29, 37, 46, 58, 65, 74, 115, 130, 131, 145, 185, 230, 262, 290, 299, 370, 377, 481, 598, 655, 667, 754, 851, 962, 1073, 1310, 1334, 1495, 1702, 1703, 1885, 2146, 2405, 2990, 3013, 3335, 3406, 3770, 3799, 4255, 4810, 4847, 5365, 6026, 6670, 7598, 8510, 8515, 8671, 9694, 10730, 11063, 13949, 15065, 17030, 17342, 18995, 22126, 24235, 24679, 27898, 30130, 37990, 39169, 43355, 48470, 49358, 49387, 55315, 63011, 69745, 78338, 86710, 87377, 98774, 110630, 111481, 123395, 126022, 139490, 140563, 174754, 195845, 222962, 246790, 246935, 281126, 315055, 320827, 391690, 436885, 493870, 557405, 630110, 641654, 702815, 873770, 1114810, 1135901, 1405630, 1449253, 1604135, 1827319, 2271802, 2898506, 3208270, 3232949, 3654638, 5679505, 6465898, 7246265, 9136595, 11359010, 14492530, 16164745, 18273190, 32329490, 42028337, 84056674, 210141685, 420283370]

約数ペア:

[(1, 420283370), (2, 210141685), (5, 84056674), (10, 42028337), (13, 32329490), (23, 18273190), (26, 16164745), (29, 14492530), (37, 11359010), (46, 9136595), (58, 7246265), (65, 6465898), (74, 5679505), (115, 3654638), (130, 3232949), (131, 3208270), (145, 2898506), (185, 2271802), (230, 1827319), (262, 1604135), (290, 1449253), (299, 1405630), (370, 1135901), (377, 1114810), (481, 873770), (598, 702815), (655, 641654), (667, 630110), (754, 557405), (851, 493870), (962, 436885), (1073, 391690), (1310, 320827), (1334, 315055), (1495, 281126), (1702, 246935), (1703, 246790), (1885, 222962), (2146, 195845), (2405, 174754), (2990, 140563), (3013, 139490), (3335, 126022), (3406, 123395), (3770, 111481), (3799, 110630), (4255, 98774), (4810, 87377), (4847, 86710), (5365, 78338), (6026, 69745), (6670, 63011), (7598, 55315), (8510, 49387), (8515, 49358), (8671, 48470), (9694, 43355), (10730, 39169), (11063, 37990), (13949, 30130), (15065, 27898), (17030, 24679), (17342, 24235), (18995, 22126)]