205220470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3697}}^1$

素因数の和:3785

約数の個数: 64

約数和(自身を含む): 462220416

約数和(自身を除く): 256999946

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 61, 65, 70, 91, 122, 130, 182, 305, 427, 455, 610, 793, 854, 910, 1586, 2135, 3697, 3965, 4270, 5551, 7394, 7930, 11102, 18485, 25879, 27755, 36970, 48061, 51758, 55510, 96122, 129395, 225517, 240305, 258790, 336427, 451034, 480610, 672854, 1127585, 1578619, 1682135, 2255170, 2931721, 3157238, 3364270, 5863442, 7893095, 14658605, 15786190, 20522047, 29317210, 41044094, 102610235, 205220470]

約数ペア:

[(1, 205220470), (2, 102610235), (5, 41044094), (7, 29317210), (10, 20522047), (13, 15786190), (14, 14658605), (26, 7893095), (35, 5863442), (61, 3364270), (65, 3157238), (70, 2931721), (91, 2255170), (122, 1682135), (130, 1578619), (182, 1127585), (305, 672854), (427, 480610), (455, 451034), (610, 336427), (793, 258790), (854, 240305), (910, 225517), (1586, 129395), (2135, 96122), (3697, 55510), (3965, 51758), (4270, 48061), (5551, 36970), (7394, 27755), (7930, 25879), (11102, 18485)]