38641750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 84105216

約数和(自身を除く): 45463466

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 125, 142, 175, 250, 311, 350, 355, 497, 622, 710, 875, 994, 1555, 1750, 1775, 2177, 2485, 3110, 3550, 4354, 4970, 7775, 8875, 10885, 12425, 15550, 17750, 21770, 22081, 24850, 38875, 44162, 54425, 62125, 77750, 108850, 110405, 124250, 154567, 220810, 272125, 309134, 544250, 552025, 772835, 1104050, 1545670, 2760125, 3864175, 5520250, 7728350, 19320875, 38641750]

約数ペア:

[(1, 38641750), (2, 19320875), (5, 7728350), (7, 5520250), (10, 3864175), (14, 2760125), (25, 1545670), (35, 1104050), (50, 772835), (70, 552025), (71, 544250), (125, 309134), (142, 272125), (175, 220810), (250, 154567), (311, 124250), (350, 110405), (355, 108850), (497, 77750), (622, 62125), (710, 54425), (875, 44162), (994, 38875), (1555, 24850), (1750, 22081), (1775, 21770), (2177, 17750), (2485, 15550), (3110, 12425), (3550, 10885), (4354, 8875), (4970, 7775)]