31625860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1013}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 76317696

約数和(自身を除く): 44691836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1013, 1115, 1561, 2026, 2230, 3122, 4052, 4460, 5065, 6244, 7091, 7805, 10130, 14182, 15610, 20260, 28364, 31220, 35455, 70910, 141820, 225899, 451798, 903596, 1129495, 1581293, 2258990, 3162586, 4517980, 6325172, 7906465, 15812930, 31625860]

約数ペア:

[(1, 31625860), (2, 15812930), (4, 7906465), (5, 6325172), (7, 4517980), (10, 3162586), (14, 2258990), (20, 1581293), (28, 1129495), (35, 903596), (70, 451798), (140, 225899), (223, 141820), (446, 70910), (892, 35455), (1013, 31220), (1115, 28364), (1561, 20260), (2026, 15610), (2230, 14182), (3122, 10130), (4052, 7805), (4460, 7091), (5065, 6244)]