313040390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{9749}}^1$

素因数の和:9801

約数の個数: 48

約数和(自身を含む): 642330000

約数和(自身を除く): 329289610

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 169, 190, 247, 338, 494, 845, 1235, 1690, 2470, 3211, 6422, 9749, 16055, 19498, 32110, 48745, 97490, 126737, 185231, 253474, 370462, 633685, 926155, 1267370, 1647581, 1852310, 2408003, 3295162, 4816006, 8237905, 12040015, 16475810, 24080030, 31304039, 62608078, 156520195, 313040390]

約数ペア:

[(1, 313040390), (2, 156520195), (5, 62608078), (10, 31304039), (13, 24080030), (19, 16475810), (26, 12040015), (38, 8237905), (65, 4816006), (95, 3295162), (130, 2408003), (169, 1852310), (190, 1647581), (247, 1267370), (338, 926155), (494, 633685), (845, 370462), (1235, 253474), (1690, 185231), (2470, 126737), (3211, 97490), (6422, 48745), (9749, 32110), (16055, 19498)]