420539840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{953}}^1$

素因数の和:1174

約数の個数: 112

約数和(自身を含む): 1151485632

約数和(自身を除く): 730945792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 197, 224, 280, 320, 394, 448, 560, 788, 953, 985, 1120, 1379, 1576, 1906, 1970, 2240, 2758, 3152, 3812, 3940, 4765, 5516, 6304, 6671, 6895, 7624, 7880, 9530, 11032, 12608, 13342, 13790, 15248, 15760, 19060, 22064, 26684, 27580, 30496, 31520, 33355, 38120, 44128, 53368, 55160, 60992, 63040, 66710, 76240, 88256, 106736, 110320, 133420, 152480, 187741, 213472, 220640, 266840, 304960, 375482, 426944, 441280, 533680, 750964, 938705, 1067360, 1314187, 1501928, 1877410, 2134720, 2628374, 3003856, 3754820, 5256748, 6007712, 6570935, 7509640, 10513496, 12015424, 13141870, 15019280, 21026992, 26283740, 30038560, 42053984, 52567480, 60077120, 84107968, 105134960, 210269920, 420539840]

約数ペア:

[(1, 420539840), (2, 210269920), (4, 105134960), (5, 84107968), (7, 60077120), (8, 52567480), (10, 42053984), (14, 30038560), (16, 26283740), (20, 21026992), (28, 15019280), (32, 13141870), (35, 12015424), (40, 10513496), (56, 7509640), (64, 6570935), (70, 6007712), (80, 5256748), (112, 3754820), (140, 3003856), (160, 2628374), (197, 2134720), (224, 1877410), (280, 1501928), (320, 1314187), (394, 1067360), (448, 938705), (560, 750964), (788, 533680), (953, 441280), (985, 426944), (1120, 375482), (1379, 304960), (1576, 266840), (1906, 220640), (1970, 213472), (2240, 187741), (2758, 152480), (3152, 133420), (3812, 110320), (3940, 106736), (4765, 88256), (5516, 76240), (6304, 66710), (6671, 63040), (6895, 60992), (7624, 55160), (7880, 53368), (9530, 44128), (11032, 38120), (12608, 33355), (13342, 31520), (13790, 30496), (15248, 27580), (15760, 26684), (19060, 22064)]