75584540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{491}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 163658880

約数和(自身を除く): 88074340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 179, 215, 358, 430, 491, 716, 860, 895, 982, 1790, 1964, 2455, 3580, 4910, 7697, 9820, 15394, 21113, 30788, 38485, 42226, 76970, 84452, 87889, 105565, 153940, 175778, 211130, 351556, 422260, 439445, 878890, 1757780, 3779227, 7558454, 15116908, 18896135, 37792270, 75584540]

約数ペア:

[(1, 75584540), (2, 37792270), (4, 18896135), (5, 15116908), (10, 7558454), (20, 3779227), (43, 1757780), (86, 878890), (172, 439445), (179, 422260), (215, 351556), (358, 211130), (430, 175778), (491, 153940), (716, 105565), (860, 87889), (895, 84452), (982, 76970), (1790, 42226), (1964, 38485), (2455, 30788), (3580, 21113), (4910, 15394), (7697, 9820)]