71813180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{317}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 155143296

約数和(自身を除く): 83330116

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 241, 317, 470, 482, 634, 940, 964, 1205, 1268, 1585, 2410, 3170, 4820, 6340, 11327, 14899, 22654, 29798, 45308, 56635, 59596, 74495, 76397, 113270, 148990, 152794, 226540, 297980, 305588, 381985, 763970, 1527940, 3590659, 7181318, 14362636, 17953295, 35906590, 71813180]

約数ペア:

[(1, 71813180), (2, 35906590), (4, 17953295), (5, 14362636), (10, 7181318), (20, 3590659), (47, 1527940), (94, 763970), (188, 381985), (235, 305588), (241, 297980), (317, 226540), (470, 152794), (482, 148990), (634, 113270), (940, 76397), (964, 74495), (1205, 59596), (1268, 56635), (1585, 45308), (2410, 29798), (3170, 22654), (4820, 14899), (6340, 11327)]