28708950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4451}}^1$

素因数の和:4509

約数の個数: 48

約数和(自身を含む): 72870336

約数和(自身を除く): 44161386

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 430, 645, 1075, 1290, 2150, 3225, 4451, 6450, 8902, 13353, 22255, 26706, 44510, 66765, 111275, 133530, 191393, 222550, 333825, 382786, 574179, 667650, 956965, 1148358, 1913930, 2870895, 4784825, 5741790, 9569650, 14354475, 28708950]

約数ペア:

[(1, 28708950), (2, 14354475), (3, 9569650), (5, 5741790), (6, 4784825), (10, 2870895), (15, 1913930), (25, 1148358), (30, 956965), (43, 667650), (50, 574179), (75, 382786), (86, 333825), (129, 222550), (150, 191393), (215, 133530), (258, 111275), (430, 66765), (645, 44510), (1075, 26706), (1290, 22255), (2150, 13353), (3225, 8902), (4451, 6450)]