91571620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4993}}^1$

素因数の和:5140

約数の個数: 48

約数和(自身を含む): 221493888

約数和(自身を除く): 129922268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 4993, 9170, 9986, 18340, 19972, 24965, 34951, 49930, 69902, 99860, 139804, 174755, 349510, 654083, 699020, 1308166, 2616332, 3270415, 4578581, 6540830, 9157162, 13081660, 18314324, 22892905, 45785810, 91571620]

約数ペア:

[(1, 91571620), (2, 45785810), (4, 22892905), (5, 18314324), (7, 13081660), (10, 9157162), (14, 6540830), (20, 4578581), (28, 3270415), (35, 2616332), (70, 1308166), (131, 699020), (140, 654083), (262, 349510), (524, 174755), (655, 139804), (917, 99860), (1310, 69902), (1834, 49930), (2620, 34951), (3668, 24965), (4585, 19972), (4993, 18340), (9170, 9986)]