31326790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 65007360

約数和(自身を除く): 33680570

約数列:

[1, 2, 5, 10, 11, 22, 37, 43, 55, 74, 86, 110, 179, 185, 215, 358, 370, 407, 430, 473, 814, 895, 946, 1591, 1790, 1969, 2035, 2365, 3182, 3938, 4070, 4730, 6623, 7697, 7955, 9845, 13246, 15394, 15910, 17501, 19690, 33115, 35002, 38485, 66230, 72853, 76970, 84667, 87505, 145706, 169334, 175010, 284789, 364265, 423335, 569578, 728530, 846670, 1423945, 2847890, 3132679, 6265358, 15663395, 31326790]

約数ペア:

[(1, 31326790), (2, 15663395), (5, 6265358), (10, 3132679), (11, 2847890), (22, 1423945), (37, 846670), (43, 728530), (55, 569578), (74, 423335), (86, 364265), (110, 284789), (179, 175010), (185, 169334), (215, 145706), (358, 87505), (370, 84667), (407, 76970), (430, 72853), (473, 66230), (814, 38485), (895, 35002), (946, 33115), (1591, 19690), (1790, 17501), (1969, 15910), (2035, 15394), (2365, 13246), (3182, 9845), (3938, 7955), (4070, 7697), (4730, 6623)]