89859740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2657}}^1$

素因数の和:2774

約数の個数: 48

約数和(自身を含む): 200944800

約数和(自身を除く): 111085060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 2657, 3382, 5314, 6764, 8455, 10628, 13285, 16910, 26570, 33820, 50483, 53140, 100966, 201932, 236473, 252415, 472946, 504830, 945892, 1009660, 1182365, 2364730, 4492987, 4729460, 8985974, 17971948, 22464935, 44929870, 89859740]

約数ペア:

[(1, 89859740), (2, 44929870), (4, 22464935), (5, 17971948), (10, 8985974), (19, 4729460), (20, 4492987), (38, 2364730), (76, 1182365), (89, 1009660), (95, 945892), (178, 504830), (190, 472946), (356, 252415), (380, 236473), (445, 201932), (890, 100966), (1691, 53140), (1780, 50483), (2657, 33820), (3382, 26570), (5314, 16910), (6764, 13285), (8455, 10628)]