2381990

素因数分解:

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

素因数の和:344

約数の個数: 32

約数和(自身を含む): 4699296

約数和(自身を除く): 2317306

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 251, 365, 502, 730, 949, 1255, 1898, 2510, 3263, 4745, 6526, 9490, 16315, 18323, 32630, 36646, 91615, 183230, 238199, 476398, 1190995, 2381990]

約数ペア:

[(1, 2381990), (2, 1190995), (5, 476398), (10, 238199), (13, 183230), (26, 91615), (65, 36646), (73, 32630), (130, 18323), (146, 16315), (251, 9490), (365, 6526), (502, 4745), (730, 3263), (949, 2510), (1255, 1898)]