90469820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4337}}^1$

素因数の和:4502

約数の個数: 48

約数和(自身を含む): 218635200

約数和(自身を除く): 128165380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 4337, 5215, 8674, 10430, 17348, 20860, 21685, 30359, 43370, 60718, 86740, 121436, 151795, 303590, 607180, 646213, 1292426, 2584852, 3231065, 4523491, 6462130, 9046982, 12924260, 18093964, 22617455, 45234910, 90469820]

約数ペア:

[(1, 90469820), (2, 45234910), (4, 22617455), (5, 18093964), (7, 12924260), (10, 9046982), (14, 6462130), (20, 4523491), (28, 3231065), (35, 2584852), (70, 1292426), (140, 646213), (149, 607180), (298, 303590), (596, 151795), (745, 121436), (1043, 86740), (1490, 60718), (2086, 43370), (2980, 30359), (4172, 21685), (4337, 20860), (5215, 17348), (8674, 10430)]