252906680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:625

約数の個数: 128

約数和(自身を含む): 655603200

約数和(自身を除く): 402696520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 31, 40, 52, 58, 62, 65, 104, 116, 124, 130, 145, 155, 232, 248, 260, 290, 310, 377, 403, 520, 541, 580, 620, 754, 806, 899, 1082, 1160, 1240, 1508, 1612, 1798, 1885, 2015, 2164, 2705, 3016, 3224, 3596, 3770, 4030, 4328, 4495, 5410, 7033, 7192, 7540, 8060, 8990, 10820, 11687, 14066, 15080, 15689, 16120, 16771, 17980, 21640, 23374, 28132, 31378, 33542, 35165, 35960, 46748, 56264, 58435, 62756, 67084, 70330, 78445, 83855, 93496, 116870, 125512, 134168, 140660, 156890, 167710, 203957, 218023, 233740, 281320, 313780, 335420, 407914, 436046, 467480, 486359, 627560, 670840, 815828, 872092, 972718, 1019785, 1090115, 1631656, 1744184, 1945436, 2039570, 2180230, 2431795, 3890872, 4079140, 4360460, 4863590, 6322667, 8158280, 8720920, 9727180, 12645334, 19454360, 25290668, 31613335, 50581336, 63226670, 126453340, 252906680]

約数ペア:

[(1, 252906680), (2, 126453340), (4, 63226670), (5, 50581336), (8, 31613335), (10, 25290668), (13, 19454360), (20, 12645334), (26, 9727180), (29, 8720920), (31, 8158280), (40, 6322667), (52, 4863590), (58, 4360460), (62, 4079140), (65, 3890872), (104, 2431795), (116, 2180230), (124, 2039570), (130, 1945436), (145, 1744184), (155, 1631656), (232, 1090115), (248, 1019785), (260, 972718), (290, 872092), (310, 815828), (377, 670840), (403, 627560), (520, 486359), (541, 467480), (580, 436046), (620, 407914), (754, 335420), (806, 313780), (899, 281320), (1082, 233740), (1160, 218023), (1240, 203957), (1508, 167710), (1612, 156890), (1798, 140660), (1885, 134168), (2015, 125512), (2164, 116870), (2705, 93496), (3016, 83855), (3224, 78445), (3596, 70330), (3770, 67084), (4030, 62756), (4328, 58435), (4495, 56264), (5410, 46748), (7033, 35960), (7192, 35165), (7540, 33542), (8060, 31378), (8990, 28132), (10820, 23374), (11687, 21640), (14066, 17980), (15080, 16771), (15689, 16120)]