201698440

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{25339}}^1$

素因数の和:25549

約数の個数: 32

約数和(自身を含む): 456120000

約数和(自身を除く): 254421560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 25339, 50678, 101356, 126695, 202712, 253390, 506780, 1013560, 5042461, 10084922, 20169844, 25212305, 40339688, 50424610, 100849220, 201698440]

約数ペア:

[(1, 201698440), (2, 100849220), (4, 50424610), (5, 40339688), (8, 25212305), (10, 20169844), (20, 10084922), (40, 5042461), (199, 1013560), (398, 506780), (796, 253390), (995, 202712), (1592, 126695), (1990, 101356), (3980, 50678), (7960, 25339)]