212347510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 417757824

約数和(自身を除く): 205410314

約数列:

[1, 2, 5, 10, 17, 34, 71, 73, 85, 142, 146, 170, 241, 355, 365, 482, 710, 730, 1205, 1207, 1241, 2410, 2414, 2482, 4097, 5183, 6035, 6205, 8194, 10366, 12070, 12410, 17111, 17593, 20485, 25915, 34222, 35186, 40970, 51830, 85555, 87965, 88111, 171110, 175930, 176222, 290887, 299081, 440555, 581774, 598162, 881110, 1249103, 1454435, 1495405, 2498206, 2908870, 2990810, 6245515, 12491030, 21234751, 42469502, 106173755, 212347510]

約数ペア:

[(1, 212347510), (2, 106173755), (5, 42469502), (10, 21234751), (17, 12491030), (34, 6245515), (71, 2990810), (73, 2908870), (85, 2498206), (142, 1495405), (146, 1454435), (170, 1249103), (241, 881110), (355, 598162), (365, 581774), (482, 440555), (710, 299081), (730, 290887), (1205, 176222), (1207, 175930), (1241, 171110), (2410, 88111), (2414, 87965), (2482, 85555), (4097, 51830), (5183, 40970), (6035, 35186), (6205, 34222), (8194, 25915), (10366, 20485), (12070, 17593), (12410, 17111)]