213807750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{21929}}^1$

素因数の和:21962

約数の個数: 64

約数和(自身を含む): 574741440

約数和(自身を除く): 360933690

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 3250, 4875, 9750, 21929, 43858, 65787, 109645, 131574, 219290, 285077, 328935, 548225, 570154, 657870, 855231, 1096450, 1425385, 1644675, 1710462, 2741125, 2850770, 3289350, 4276155, 5482250, 7126925, 8223375, 8552310, 14253850, 16446750, 21380775, 35634625, 42761550, 71269250, 106903875, 213807750]

約数ペア:

[(1, 213807750), (2, 106903875), (3, 71269250), (5, 42761550), (6, 35634625), (10, 21380775), (13, 16446750), (15, 14253850), (25, 8552310), (26, 8223375), (30, 7126925), (39, 5482250), (50, 4276155), (65, 3289350), (75, 2850770), (78, 2741125), (125, 1710462), (130, 1644675), (150, 1425385), (195, 1096450), (250, 855231), (325, 657870), (375, 570154), (390, 548225), (650, 328935), (750, 285077), (975, 219290), (1625, 131574), (1950, 109645), (3250, 65787), (4875, 43858), (9750, 21929)]