221219983120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6691}}^1\times {\mathrm{14251}}^1$

素因数の和:20984

約数の個数: 80

約数和(自身を含む): 532189062720

約数和(自身を除く): 310969079600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 6691, 13382, 14251, 26764, 28502, 33455, 53528, 57004, 66910, 71255, 107056, 114008, 133820, 142510, 194039, 228016, 267640, 285020, 388078, 413279, 535280, 570040, 776156, 826558, 970195, 1140080, 1552312, 1653116, 1940390, 2066395, 3104624, 3306232, 3880780, 4132790, 6612464, 7761560, 8265580, 15523120, 16531160, 33062320, 95353441, 190706882, 381413764, 476767205, 762827528, 953534410, 1525655056, 1907068820, 2765249789, 3814137640, 5530499578, 7628275280, 11060999156, 13826248945, 22121998312, 27652497890, 44243996624, 55304995780, 110609991560, 221219983120]

約数ペア:

[(1, 221219983120), (2, 110609991560), (4, 55304995780), (5, 44243996624), (8, 27652497890), (10, 22121998312), (16, 13826248945), (20, 11060999156), (29, 7628275280), (40, 5530499578), (58, 3814137640), (80, 2765249789), (116, 1907068820), (145, 1525655056), (232, 953534410), (290, 762827528), (464, 476767205), (580, 381413764), (1160, 190706882), (2320, 95353441), (6691, 33062320), (13382, 16531160), (14251, 15523120), (26764, 8265580), (28502, 7761560), (33455, 6612464), (53528, 4132790), (57004, 3880780), (66910, 3306232), (71255, 3104624), (107056, 2066395), (114008, 1940390), (133820, 1653116), (142510, 1552312), (194039, 1140080), (228016, 970195), (267640, 826558), (285020, 776156), (388078, 570040), (413279, 535280)]