42147340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 90931680

約数和(自身を除く): 48784340

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 179, 193, 244, 305, 358, 386, 610, 716, 772, 895, 965, 1220, 1790, 1930, 3580, 3860, 10919, 11773, 21838, 23546, 34547, 43676, 47092, 54595, 58865, 69094, 109190, 117730, 138188, 172735, 218380, 235460, 345470, 690940, 2107367, 4214734, 8429468, 10536835, 21073670, 42147340]

約数ペア:

[(1, 42147340), (2, 21073670), (4, 10536835), (5, 8429468), (10, 4214734), (20, 2107367), (61, 690940), (122, 345470), (179, 235460), (193, 218380), (244, 172735), (305, 138188), (358, 117730), (386, 109190), (610, 69094), (716, 58865), (772, 54595), (895, 47092), (965, 43676), (1220, 34547), (1790, 23546), (1930, 21838), (3580, 11773), (3860, 10919)]