90378260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{15013}}^1$

素因数の和:15072

約数の個数: 48

約数和(自身を含む): 221966976

約数和(自身を除く): 131588716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 15013, 30026, 60052, 75065, 105091, 150130, 210182, 300260, 420364, 525455, 645559, 1050910, 1291118, 2101820, 2582236, 3227795, 4518913, 6455590, 9037826, 12911180, 18075652, 22594565, 45189130, 90378260]

約数ペア:

[(1, 90378260), (2, 45189130), (4, 22594565), (5, 18075652), (7, 12911180), (10, 9037826), (14, 6455590), (20, 4518913), (28, 3227795), (35, 2582236), (43, 2101820), (70, 1291118), (86, 1050910), (140, 645559), (172, 525455), (215, 420364), (301, 300260), (430, 210182), (602, 150130), (860, 105091), (1204, 75065), (1505, 60052), (3010, 30026), (6020, 15013)]