30721432

素因数分解:

$2^3\times 7^2\times {\mathrm{109}}^1\times {\mathrm{719}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 67716000

約数和(自身を除く): 36994568

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 109, 196, 218, 392, 436, 719, 763, 872, 1438, 1526, 2876, 3052, 5033, 5341, 5752, 6104, 10066, 10682, 20132, 21364, 35231, 40264, 42728, 70462, 78371, 140924, 156742, 281848, 313484, 548597, 626968, 1097194, 2194388, 3840179, 4388776, 7680358, 15360716, 30721432]

約数ペア:

[(1, 30721432), (2, 15360716), (4, 7680358), (7, 4388776), (8, 3840179), (14, 2194388), (28, 1097194), (49, 626968), (56, 548597), (98, 313484), (109, 281848), (196, 156742), (218, 140924), (392, 78371), (436, 70462), (719, 42728), (763, 40264), (872, 35231), (1438, 21364), (1526, 20132), (2876, 10682), (3052, 10066), (5033, 6104), (5341, 5752)]