42070840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1549}}^1$

素因数の和:1664

約数の個数: 64

約数和(自身を含む): 109368000

約数和(自身を除く): 67297160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1549, 1940, 2716, 3098, 3395, 3880, 5432, 6196, 6790, 7745, 10843, 12392, 13580, 15490, 21686, 27160, 30980, 43372, 54215, 61960, 86744, 108430, 150253, 216860, 300506, 433720, 601012, 751265, 1051771, 1202024, 1502530, 2103542, 3005060, 4207084, 5258855, 6010120, 8414168, 10517710, 21035420, 42070840]

約数ペア:

[(1, 42070840), (2, 21035420), (4, 10517710), (5, 8414168), (7, 6010120), (8, 5258855), (10, 4207084), (14, 3005060), (20, 2103542), (28, 1502530), (35, 1202024), (40, 1051771), (56, 751265), (70, 601012), (97, 433720), (140, 300506), (194, 216860), (280, 150253), (388, 108430), (485, 86744), (679, 61960), (776, 54215), (970, 43372), (1358, 30980), (1549, 27160), (1940, 21686), (2716, 15490), (3098, 13580), (3395, 12392), (3880, 10843), (5432, 7745), (6196, 6790)]