30965870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 61426512

約数和(自身を除く): 30460642

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 169, 251, 338, 365, 502, 730, 845, 949, 1255, 1690, 1898, 2510, 3263, 4745, 6526, 9490, 12337, 16315, 18323, 24674, 32630, 36646, 42419, 61685, 84838, 91615, 123370, 183230, 212095, 238199, 424190, 476398, 1190995, 2381990, 3096587, 6193174, 15482935, 30965870]

約数ペア:

[(1, 30965870), (2, 15482935), (5, 6193174), (10, 3096587), (13, 2381990), (26, 1190995), (65, 476398), (73, 424190), (130, 238199), (146, 212095), (169, 183230), (251, 123370), (338, 91615), (365, 84838), (502, 61685), (730, 42419), (845, 36646), (949, 32630), (1255, 24674), (1690, 18323), (1898, 16315), (2510, 12337), (3263, 9490), (4745, 6526)]