28899870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{521}}^1$

素因数の和:617

約数の個数: 48

約数和(自身を含む): 71146512

約数和(自身を除く): 42246642

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 521, 645, 1042, 1290, 1563, 1849, 2605, 3126, 3698, 5210, 5547, 7815, 9245, 11094, 15630, 18490, 22403, 27735, 44806, 55470, 67209, 112015, 134418, 224030, 336045, 672090, 963329, 1926658, 2889987, 4816645, 5779974, 9633290, 14449935, 28899870]

約数ペア:

[(1, 28899870), (2, 14449935), (3, 9633290), (5, 5779974), (6, 4816645), (10, 2889987), (15, 1926658), (30, 963329), (43, 672090), (86, 336045), (129, 224030), (215, 134418), (258, 112015), (430, 67209), (521, 55470), (645, 44806), (1042, 27735), (1290, 22403), (1563, 18490), (1849, 15630), (2605, 11094), (3126, 9245), (3698, 7815), (5210, 5547)]