31105240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 74844000

約数和(自身を除く): 43738760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 298, 307, 340, 596, 614, 680, 745, 1192, 1228, 1490, 1535, 2456, 2533, 2980, 3070, 5066, 5219, 5960, 6140, 10132, 10438, 12280, 12665, 20264, 20876, 25330, 26095, 41752, 45743, 50660, 52190, 91486, 101320, 104380, 182972, 208760, 228715, 365944, 457430, 777631, 914860, 1555262, 1829720, 3110524, 3888155, 6221048, 7776310, 15552620, 31105240]

約数ペア:

[(1, 31105240), (2, 15552620), (4, 7776310), (5, 6221048), (8, 3888155), (10, 3110524), (17, 1829720), (20, 1555262), (34, 914860), (40, 777631), (68, 457430), (85, 365944), (136, 228715), (149, 208760), (170, 182972), (298, 104380), (307, 101320), (340, 91486), (596, 52190), (614, 50660), (680, 45743), (745, 41752), (1192, 26095), (1228, 25330), (1490, 20876), (1535, 20264), (2456, 12665), (2533, 12280), (2980, 10438), (3070, 10132), (5066, 6140), (5219, 5960)]