189746960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4243}}^1$

素因数の和:4312

約数の個数: 80

約数和(自身を含む): 486260544

約数和(自身を除く): 296513584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2795, 3440, 4243, 4472, 5590, 8486, 8944, 11180, 16972, 21215, 22360, 33944, 42430, 44720, 55159, 67888, 84860, 110318, 169720, 182449, 220636, 275795, 339440, 364898, 441272, 551590, 729796, 882544, 912245, 1103180, 1459592, 1824490, 2206360, 2371837, 2919184, 3648980, 4412720, 4743674, 7297960, 9487348, 11859185, 14595920, 18974696, 23718370, 37949392, 47436740, 94873480, 189746960]

約数ペア:

[(1, 189746960), (2, 94873480), (4, 47436740), (5, 37949392), (8, 23718370), (10, 18974696), (13, 14595920), (16, 11859185), (20, 9487348), (26, 7297960), (40, 4743674), (43, 4412720), (52, 3648980), (65, 2919184), (80, 2371837), (86, 2206360), (104, 1824490), (130, 1459592), (172, 1103180), (208, 912245), (215, 882544), (260, 729796), (344, 551590), (430, 441272), (520, 364898), (559, 339440), (688, 275795), (860, 220636), (1040, 182449), (1118, 169720), (1720, 110318), (2236, 84860), (2795, 67888), (3440, 55159), (4243, 44720), (4472, 42430), (5590, 33944), (8486, 22360), (8944, 21215), (11180, 16972)]