78464180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2593}}^1$

素因数の和:2708

約数の個数: 48

約数和(自身を含む): 176495760

約数和(自身を除く): 98031580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 2593, 3026, 5186, 6052, 7565, 10372, 12965, 15130, 25930, 30260, 44081, 51860, 88162, 176324, 220405, 230777, 440810, 461554, 881620, 923108, 1153885, 2307770, 3923209, 4615540, 7846418, 15692836, 19616045, 39232090, 78464180]

約数ペア:

[(1, 78464180), (2, 39232090), (4, 19616045), (5, 15692836), (10, 7846418), (17, 4615540), (20, 3923209), (34, 2307770), (68, 1153885), (85, 923108), (89, 881620), (170, 461554), (178, 440810), (340, 230777), (356, 220405), (445, 176324), (890, 88162), (1513, 51860), (1780, 44081), (2593, 30260), (3026, 25930), (5186, 15130), (6052, 12965), (7565, 10372)]