81679220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34319}}^1$

素因数の和:34352

約数の個数: 48

約数和(自身を含む): 207567360

約数和(自身を除く): 125888140

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 34319, 68638, 137276, 171595, 240233, 343190, 480466, 583423, 686380, 960932, 1166846, 1201165, 2333692, 2402330, 2917115, 4083961, 4804660, 5834230, 8167922, 11668460, 16335844, 20419805, 40839610, 81679220]

約数ペア:

[(1, 81679220), (2, 40839610), (4, 20419805), (5, 16335844), (7, 11668460), (10, 8167922), (14, 5834230), (17, 4804660), (20, 4083961), (28, 2917115), (34, 2402330), (35, 2333692), (68, 1201165), (70, 1166846), (85, 960932), (119, 686380), (140, 583423), (170, 480466), (238, 343190), (340, 240233), (476, 171595), (595, 137276), (1190, 68638), (2380, 34319)]