450120400

素因数分解:

$2^4\times 5^2\times {\mathrm{461}}^1\times {\mathrm{2441}}^1$

素因数の和:2920

約数の個数: 60

約数和(自身を含む): 1084204044

約数和(自身を除く): 634083644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 461, 922, 1844, 2305, 2441, 3688, 4610, 4882, 7376, 9220, 9764, 11525, 12205, 18440, 19528, 23050, 24410, 36880, 39056, 46100, 48820, 61025, 92200, 97640, 122050, 184400, 195280, 244100, 488200, 976400, 1125301, 2250602, 4501204, 5626505, 9002408, 11253010, 18004816, 22506020, 28132525, 45012040, 56265050, 90024080, 112530100, 225060200, 450120400]

約数ペア:

[(1, 450120400), (2, 225060200), (4, 112530100), (5, 90024080), (8, 56265050), (10, 45012040), (16, 28132525), (20, 22506020), (25, 18004816), (40, 11253010), (50, 9002408), (80, 5626505), (100, 4501204), (200, 2250602), (400, 1125301), (461, 976400), (922, 488200), (1844, 244100), (2305, 195280), (2441, 184400), (3688, 122050), (4610, 97640), (4882, 92200), (7376, 61025), (9220, 48820), (9764, 46100), (11525, 39056), (12205, 36880), (18440, 24410), (19528, 23050)]