31038310

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 57283200

約数和(自身を除く): 26244890

約数列:

[1, 2, 5, 10, 79, 101, 158, 202, 389, 395, 505, 778, 790, 1010, 1945, 3890, 7979, 15958, 30731, 39289, 39895, 61462, 78578, 79790, 153655, 196445, 307310, 392890, 3103831, 6207662, 15519155, 31038310]

約数ペア:

[(1, 31038310), (2, 15519155), (5, 6207662), (10, 3103831), (79, 392890), (101, 307310), (158, 196445), (202, 153655), (389, 79790), (395, 78578), (505, 61462), (778, 39895), (790, 39289), (1010, 30731), (1945, 15958), (3890, 7979)]