211327960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1201}}^1$

素因数の和:1348

約数の個数: 64

約数和(自身を含む): 490704480

約数和(自身を除く): 279376520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 83, 106, 166, 212, 265, 332, 415, 424, 530, 664, 830, 1060, 1201, 1660, 2120, 2402, 3320, 4399, 4804, 6005, 8798, 9608, 12010, 17596, 21995, 24020, 35192, 43990, 48040, 63653, 87980, 99683, 127306, 175960, 199366, 254612, 318265, 398732, 498415, 509224, 636530, 797464, 996830, 1273060, 1993660, 2546120, 3987320, 5283199, 10566398, 21132796, 26415995, 42265592, 52831990, 105663980, 211327960]

約数ペア:

[(1, 211327960), (2, 105663980), (4, 52831990), (5, 42265592), (8, 26415995), (10, 21132796), (20, 10566398), (40, 5283199), (53, 3987320), (83, 2546120), (106, 1993660), (166, 1273060), (212, 996830), (265, 797464), (332, 636530), (415, 509224), (424, 498415), (530, 398732), (664, 318265), (830, 254612), (1060, 199366), (1201, 175960), (1660, 127306), (2120, 99683), (2402, 87980), (3320, 63653), (4399, 48040), (4804, 43990), (6005, 35192), (8798, 24020), (9608, 21995), (12010, 17596)]