242011780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{997}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 520596720

約数和(自身を除く): 278584940

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 229, 265, 458, 530, 916, 997, 1060, 1145, 1994, 2290, 3988, 4580, 4985, 9970, 12137, 19940, 24274, 48548, 52841, 60685, 105682, 121370, 211364, 228313, 242740, 264205, 456626, 528410, 913252, 1056820, 1141565, 2283130, 4566260, 12100589, 24201178, 48402356, 60502945, 121005890, 242011780]

約数ペア:

[(1, 242011780), (2, 121005890), (4, 60502945), (5, 48402356), (10, 24201178), (20, 12100589), (53, 4566260), (106, 2283130), (212, 1141565), (229, 1056820), (265, 913252), (458, 528410), (530, 456626), (916, 264205), (997, 242740), (1060, 228313), (1145, 211364), (1994, 121370), (2290, 105682), (3988, 60685), (4580, 52841), (4985, 48548), (9970, 24274), (12137, 19940)]