68754980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6917}}^1$

素因数の和:7004

約数の個数: 48

約数和(自身を含む): 167360256

約数和(自身を除く): 98605276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 6917, 9940, 13834, 27668, 34585, 48419, 69170, 96838, 138340, 193676, 242095, 484190, 491107, 968380, 982214, 1964428, 2455535, 3437749, 4911070, 6875498, 9822140, 13750996, 17188745, 34377490, 68754980]

約数ペア:

[(1, 68754980), (2, 34377490), (4, 17188745), (5, 13750996), (7, 9822140), (10, 6875498), (14, 4911070), (20, 3437749), (28, 2455535), (35, 1964428), (70, 982214), (71, 968380), (140, 491107), (142, 484190), (284, 242095), (355, 193676), (497, 138340), (710, 96838), (994, 69170), (1420, 48419), (1988, 34585), (2485, 27668), (4970, 13834), (6917, 9940)]