142734850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1411

約数の個数: 48

約数和(自身を含む): 278125056

約数和(自身を除く): 135390206

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 71, 142, 155, 310, 355, 710, 775, 1297, 1550, 1775, 2201, 2594, 3550, 4402, 6485, 11005, 12970, 22010, 32425, 40207, 55025, 64850, 80414, 92087, 110050, 184174, 201035, 402070, 460435, 920870, 1005175, 2010350, 2302175, 2854697, 4604350, 5709394, 14273485, 28546970, 71367425, 142734850]

約数ペア:

[(1, 142734850), (2, 71367425), (5, 28546970), (10, 14273485), (25, 5709394), (31, 4604350), (50, 2854697), (62, 2302175), (71, 2010350), (142, 1005175), (155, 920870), (310, 460435), (355, 402070), (710, 201035), (775, 184174), (1297, 110050), (1550, 92087), (1775, 80414), (2201, 64850), (2594, 55025), (3550, 40207), (4402, 32425), (6485, 22010), (11005, 12970)]