140507920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10909}}^1$

素因数の和:10952

約数の個数: 80

約数和(自身を含む): 389617920

約数和(自身を除く): 249110000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 10909, 12880, 21818, 43636, 54545, 76363, 87272, 109090, 152726, 174544, 218180, 250907, 305452, 381815, 436360, 501814, 610904, 763630, 872720, 1003628, 1221808, 1254535, 1527260, 1756349, 2007256, 2509070, 3054520, 3512698, 4014512, 5018140, 6109040, 7025396, 8781745, 10036280, 14050792, 17563490, 20072560, 28101584, 35126980, 70253960, 140507920]

約数ペア:

[(1, 140507920), (2, 70253960), (4, 35126980), (5, 28101584), (7, 20072560), (8, 17563490), (10, 14050792), (14, 10036280), (16, 8781745), (20, 7025396), (23, 6109040), (28, 5018140), (35, 4014512), (40, 3512698), (46, 3054520), (56, 2509070), (70, 2007256), (80, 1756349), (92, 1527260), (112, 1254535), (115, 1221808), (140, 1003628), (161, 872720), (184, 763630), (230, 610904), (280, 501814), (322, 436360), (368, 381815), (460, 305452), (560, 250907), (644, 218180), (805, 174544), (920, 152726), (1288, 109090), (1610, 87272), (1840, 76363), (2576, 54545), (3220, 43636), (6440, 21818), (10909, 12880)]