140643390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{643}}^1$

素因数の和:993

約数の個数: 64

約数和(自身を含む): 353880576

約数和(自身を除く): 213237186

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 317, 345, 634, 643, 690, 951, 1286, 1585, 1902, 1929, 3170, 3215, 3858, 4755, 6430, 7291, 9510, 9645, 14582, 14789, 19290, 21873, 29578, 36455, 43746, 44367, 72910, 73945, 88734, 109365, 147890, 203831, 218730, 221835, 407662, 443670, 611493, 1019155, 1222986, 2038310, 3057465, 4688113, 6114930, 9376226, 14064339, 23440565, 28128678, 46881130, 70321695, 140643390]

約数ペア:

[(1, 140643390), (2, 70321695), (3, 46881130), (5, 28128678), (6, 23440565), (10, 14064339), (15, 9376226), (23, 6114930), (30, 4688113), (46, 3057465), (69, 2038310), (115, 1222986), (138, 1019155), (230, 611493), (317, 443670), (345, 407662), (634, 221835), (643, 218730), (690, 203831), (951, 147890), (1286, 109365), (1585, 88734), (1902, 73945), (1929, 72910), (3170, 44367), (3215, 43746), (3858, 36455), (4755, 29578), (6430, 21873), (7291, 19290), (9510, 14789), (9645, 14582)]