208885160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11579}}^1$

素因数の和:11642

約数の個数: 64

約数和(自身を含む): 525268800

約数和(自身を除く): 316383640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 9020, 11579, 18040, 23158, 46316, 57895, 92632, 115790, 127369, 231580, 254738, 463160, 474739, 509476, 636845, 949478, 1018952, 1273690, 1898956, 2373695, 2547380, 3797912, 4747390, 5094760, 5222129, 9494780, 10444258, 18989560, 20888516, 26110645, 41777032, 52221290, 104442580, 208885160]

約数ペア:

[(1, 208885160), (2, 104442580), (4, 52221290), (5, 41777032), (8, 26110645), (10, 20888516), (11, 18989560), (20, 10444258), (22, 9494780), (40, 5222129), (41, 5094760), (44, 4747390), (55, 3797912), (82, 2547380), (88, 2373695), (110, 1898956), (164, 1273690), (205, 1018952), (220, 949478), (328, 636845), (410, 509476), (440, 474739), (451, 463160), (820, 254738), (902, 231580), (1640, 127369), (1804, 115790), (2255, 92632), (3608, 57895), (4510, 46316), (9020, 23158), (11579, 18040)]