31193060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 74511360

約数和(自身を除く): 43318300

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 43, 46, 76, 83, 86, 92, 95, 115, 166, 172, 190, 215, 230, 332, 380, 415, 430, 437, 460, 817, 830, 860, 874, 989, 1577, 1634, 1660, 1748, 1909, 1978, 2185, 3154, 3268, 3569, 3818, 3956, 4085, 4370, 4945, 6308, 7138, 7636, 7885, 8170, 8740, 9545, 9890, 14276, 15770, 16340, 17845, 18791, 19090, 19780, 31540, 35690, 36271, 37582, 38180, 67811, 71380, 72542, 75164, 82087, 93955, 135622, 145084, 164174, 181355, 187910, 271244, 328348, 339055, 362710, 375820, 410435, 678110, 725420, 820870, 1356220, 1559653, 1641740, 3119306, 6238612, 7798265, 15596530, 31193060]

約数ペア:

[(1, 31193060), (2, 15596530), (4, 7798265), (5, 6238612), (10, 3119306), (19, 1641740), (20, 1559653), (23, 1356220), (38, 820870), (43, 725420), (46, 678110), (76, 410435), (83, 375820), (86, 362710), (92, 339055), (95, 328348), (115, 271244), (166, 187910), (172, 181355), (190, 164174), (215, 145084), (230, 135622), (332, 93955), (380, 82087), (415, 75164), (430, 72542), (437, 71380), (460, 67811), (817, 38180), (830, 37582), (860, 36271), (874, 35690), (989, 31540), (1577, 19780), (1634, 19090), (1660, 18791), (1748, 17845), (1909, 16340), (1978, 15770), (2185, 14276), (3154, 9890), (3268, 9545), (3569, 8740), (3818, 8170), (3956, 7885), (4085, 7636), (4370, 7138), (4945, 6308)]