43153940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 98572320

約数和(自身を除く): 55418380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 139, 172, 190, 215, 278, 361, 380, 430, 556, 695, 722, 817, 860, 1390, 1444, 1634, 1805, 2641, 2780, 3268, 3610, 4085, 5282, 5977, 7220, 8170, 10564, 11954, 13205, 15523, 16340, 23908, 26410, 29885, 31046, 50179, 52820, 59770, 62092, 77615, 100358, 113563, 119540, 155230, 200716, 227126, 250895, 310460, 454252, 501790, 567815, 1003580, 1135630, 2157697, 2271260, 4315394, 8630788, 10788485, 21576970, 43153940]

約数ペア:

[(1, 43153940), (2, 21576970), (4, 10788485), (5, 8630788), (10, 4315394), (19, 2271260), (20, 2157697), (38, 1135630), (43, 1003580), (76, 567815), (86, 501790), (95, 454252), (139, 310460), (172, 250895), (190, 227126), (215, 200716), (278, 155230), (361, 119540), (380, 113563), (430, 100358), (556, 77615), (695, 62092), (722, 59770), (817, 52820), (860, 50179), (1390, 31046), (1444, 29885), (1634, 26410), (1805, 23908), (2641, 16340), (2780, 15523), (3268, 13205), (3610, 11954), (4085, 10564), (5282, 8170), (5977, 7220)]