253967120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7039}}^1$

素因数の和:7104

約数の個数: 80

約数和(自身を含む): 659957760

約数和(自身を除く): 405990640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 880, 902, 1640, 1804, 2255, 3280, 3608, 4510, 7039, 7216, 9020, 14078, 18040, 28156, 35195, 36080, 56312, 70390, 77429, 112624, 140780, 154858, 281560, 288599, 309716, 387145, 563120, 577198, 619432, 774290, 1154396, 1238864, 1442995, 1548580, 2308792, 2885990, 3097160, 3174589, 4617584, 5771980, 6194320, 6349178, 11543960, 12698356, 15872945, 23087920, 25396712, 31745890, 50793424, 63491780, 126983560, 253967120]

約数ペア:

[(1, 253967120), (2, 126983560), (4, 63491780), (5, 50793424), (8, 31745890), (10, 25396712), (11, 23087920), (16, 15872945), (20, 12698356), (22, 11543960), (40, 6349178), (41, 6194320), (44, 5771980), (55, 4617584), (80, 3174589), (82, 3097160), (88, 2885990), (110, 2308792), (164, 1548580), (176, 1442995), (205, 1238864), (220, 1154396), (328, 774290), (410, 619432), (440, 577198), (451, 563120), (656, 387145), (820, 309716), (880, 288599), (902, 281560), (1640, 154858), (1804, 140780), (2255, 112624), (3280, 77429), (3608, 70390), (4510, 56312), (7039, 36080), (7216, 35195), (9020, 28156), (14078, 18040)]