90306032840

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{11344979}}^1$

素因数の和:11345189

約数の個数: 32

約数和(自身を含む): 204209640000

約数和(自身を除く): 113903607160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 11344979, 22689958, 45379916, 56724895, 90759832, 113449790, 226899580, 453799160, 2257650821, 4515301642, 9030603284, 11288254105, 18061206568, 22576508210, 45153016420, 90306032840]

約数ペア:

[(1, 90306032840), (2, 45153016420), (4, 22576508210), (5, 18061206568), (8, 11288254105), (10, 9030603284), (20, 4515301642), (40, 2257650821), (199, 453799160), (398, 226899580), (796, 113449790), (995, 90759832), (1592, 56724895), (1990, 45379916), (3980, 22689958), (7960, 11344979)]