30974120

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5197}}^1$

素因数の和:5357

約数の個数: 32

約数和(自身を含む): 70173000

約数和(自身を除く): 39198880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5197, 5960, 10394, 20788, 25985, 41576, 51970, 103940, 207880, 774353, 1548706, 3097412, 3871765, 6194824, 7743530, 15487060, 30974120]

約数ペア:

[(1, 30974120), (2, 15487060), (4, 7743530), (5, 6194824), (8, 3871765), (10, 3097412), (20, 1548706), (40, 774353), (149, 207880), (298, 103940), (596, 51970), (745, 41576), (1192, 25985), (1490, 20788), (2980, 10394), (5197, 5960)]