2040350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 4239312

約数和(自身を除く): 2198962

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 73, 86, 130, 146, 215, 325, 365, 430, 559, 650, 730, 949, 1075, 1118, 1825, 1898, 2150, 2795, 3139, 3650, 4745, 5590, 6278, 9490, 13975, 15695, 23725, 27950, 31390, 40807, 47450, 78475, 81614, 156950, 204035, 408070, 1020175, 2040350]

約数ペア:

[(1, 2040350), (2, 1020175), (5, 408070), (10, 204035), (13, 156950), (25, 81614), (26, 78475), (43, 47450), (50, 40807), (65, 31390), (73, 27950), (86, 23725), (130, 15695), (146, 13975), (215, 9490), (325, 6278), (365, 5590), (430, 4745), (559, 3650), (650, 3139), (730, 2795), (949, 2150), (1075, 1898), (1118, 1825)]