73872140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{217271}}^1$

素因数の和:217297

約数の個数: 24

約数和(自身を含む): 164257632

約数和(自身を除く): 90385492

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 217271, 434542, 869084, 1086355, 2172710, 3693607, 4345420, 7387214, 14774428, 18468035, 36936070, 73872140]

約数ペア:

[(1, 73872140), (2, 36936070), (4, 18468035), (5, 14774428), (10, 7387214), (17, 4345420), (20, 3693607), (34, 2172710), (68, 1086355), (85, 869084), (170, 434542), (340, 217271)]