30974900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1025

約数の個数: 72

約数和(自身を含む): 75932640

約数和(自身を除く): 44957740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 638, 725, 971, 1100, 1276, 1450, 1595, 1942, 2900, 3190, 3884, 4855, 6380, 7975, 9710, 10681, 15950, 19420, 21362, 24275, 28159, 31900, 42724, 48550, 53405, 56318, 97100, 106810, 112636, 140795, 213620, 267025, 281590, 309749, 534050, 563180, 619498, 703975, 1068100, 1238996, 1407950, 1548745, 2815900, 3097490, 6194980, 7743725, 15487450, 30974900]

約数ペア:

[(1, 30974900), (2, 15487450), (4, 7743725), (5, 6194980), (10, 3097490), (11, 2815900), (20, 1548745), (22, 1407950), (25, 1238996), (29, 1068100), (44, 703975), (50, 619498), (55, 563180), (58, 534050), (100, 309749), (110, 281590), (116, 267025), (145, 213620), (220, 140795), (275, 112636), (290, 106810), (319, 97100), (550, 56318), (580, 53405), (638, 48550), (725, 42724), (971, 31900), (1100, 28159), (1276, 24275), (1450, 21362), (1595, 19420), (1942, 15950), (2900, 10681), (3190, 9710), (3884, 7975), (4855, 6380)]