78098680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 207852480

約数和(自身を除く): 129753800

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 53, 55, 68, 85, 88, 106, 110, 136, 170, 187, 197, 212, 220, 265, 340, 374, 394, 424, 440, 530, 583, 680, 748, 788, 901, 935, 985, 1060, 1166, 1496, 1576, 1802, 1870, 1970, 2120, 2167, 2332, 2915, 3349, 3604, 3740, 3940, 4334, 4505, 4664, 5830, 6698, 7208, 7480, 7880, 8668, 9010, 9911, 10441, 10835, 11660, 13396, 16745, 17336, 18020, 19822, 20882, 21670, 23320, 26792, 33490, 36040, 36839, 39644, 41764, 43340, 49555, 52205, 66980, 73678, 79288, 83528, 86680, 99110, 104410, 114851, 133960, 147356, 177497, 184195, 198220, 208820, 229702, 294712, 354994, 368390, 396440, 417640, 459404, 574255, 709988, 736780, 887485, 918808, 1148510, 1419976, 1473560, 1774970, 1952467, 2297020, 3549940, 3904934, 4594040, 7099880, 7809868, 9762335, 15619736, 19524670, 39049340, 78098680]

約数ペア:

[(1, 78098680), (2, 39049340), (4, 19524670), (5, 15619736), (8, 9762335), (10, 7809868), (11, 7099880), (17, 4594040), (20, 3904934), (22, 3549940), (34, 2297020), (40, 1952467), (44, 1774970), (53, 1473560), (55, 1419976), (68, 1148510), (85, 918808), (88, 887485), (106, 736780), (110, 709988), (136, 574255), (170, 459404), (187, 417640), (197, 396440), (212, 368390), (220, 354994), (265, 294712), (340, 229702), (374, 208820), (394, 198220), (424, 184195), (440, 177497), (530, 147356), (583, 133960), (680, 114851), (748, 104410), (788, 99110), (901, 86680), (935, 83528), (985, 79288), (1060, 73678), (1166, 66980), (1496, 52205), (1576, 49555), (1802, 43340), (1870, 41764), (1970, 39644), (2120, 36839), (2167, 36040), (2332, 33490), (2915, 26792), (3349, 23320), (3604, 21670), (3740, 20882), (3940, 19822), (4334, 18020), (4505, 17336), (4664, 16745), (5830, 13396), (6698, 11660), (7208, 10835), (7480, 10441), (7880, 9911), (8668, 9010)]