29782120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 71280000

約数和(自身を除く): 41497880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 263, 298, 380, 526, 596, 745, 760, 1052, 1192, 1315, 1490, 2104, 2630, 2831, 2980, 4997, 5260, 5662, 5960, 9994, 10520, 11324, 14155, 19988, 22648, 24985, 28310, 39187, 39976, 49970, 56620, 78374, 99940, 113240, 156748, 195935, 199880, 313496, 391870, 744553, 783740, 1489106, 1567480, 2978212, 3722765, 5956424, 7445530, 14891060, 29782120]

約数ペア:

[(1, 29782120), (2, 14891060), (4, 7445530), (5, 5956424), (8, 3722765), (10, 2978212), (19, 1567480), (20, 1489106), (38, 783740), (40, 744553), (76, 391870), (95, 313496), (149, 199880), (152, 195935), (190, 156748), (263, 113240), (298, 99940), (380, 78374), (526, 56620), (596, 49970), (745, 39976), (760, 39187), (1052, 28310), (1192, 24985), (1315, 22648), (1490, 19988), (2104, 14155), (2630, 11324), (2831, 10520), (2980, 9994), (4997, 5960), (5260, 5662)]