127228120

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{21347}}^1$

素因数の和:21507

約数の個数: 32

約数和(自身を含む): 288198000

約数和(自身を除く): 160969880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 21347, 42694, 85388, 106735, 170776, 213470, 426940, 853880, 3180703, 6361406, 12722812, 15903515, 25445624, 31807030, 63614060, 127228120]

約数ペア:

[(1, 127228120), (2, 63614060), (4, 31807030), (5, 25445624), (8, 15903515), (10, 12722812), (20, 6361406), (40, 3180703), (149, 853880), (298, 426940), (596, 213470), (745, 170776), (1192, 106735), (1490, 85388), (2980, 42694), (5960, 21347)]