140253680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{967}}^1$

素因数の和:1031

約数の個数: 120

約数和(自身を含む): 389983968

約数和(自身を除く): 249730288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 490, 518, 560, 592, 740, 784, 967, 980, 1036, 1295, 1480, 1813, 1934, 1960, 2072, 2590, 2960, 3626, 3868, 3920, 4144, 4835, 5180, 6769, 7252, 7736, 9065, 9670, 10360, 13538, 14504, 15472, 18130, 19340, 20720, 27076, 29008, 33845, 35779, 36260, 38680, 47383, 54152, 67690, 71558, 72520, 77360, 94766, 108304, 135380, 143116, 145040, 178895, 189532, 236915, 250453, 270760, 286232, 357790, 379064, 473830, 500906, 541520, 572464, 715580, 758128, 947660, 1001812, 1252265, 1431160, 1753171, 1895320, 2003624, 2504530, 2862320, 3506342, 3790640, 4007248, 5009060, 7012684, 8765855, 10018120, 14025368, 17531710, 20036240, 28050736, 35063420, 70126840, 140253680]

約数ペア:

[(1, 140253680), (2, 70126840), (4, 35063420), (5, 28050736), (7, 20036240), (8, 17531710), (10, 14025368), (14, 10018120), (16, 8765855), (20, 7012684), (28, 5009060), (35, 4007248), (37, 3790640), (40, 3506342), (49, 2862320), (56, 2504530), (70, 2003624), (74, 1895320), (80, 1753171), (98, 1431160), (112, 1252265), (140, 1001812), (148, 947660), (185, 758128), (196, 715580), (245, 572464), (259, 541520), (280, 500906), (296, 473830), (370, 379064), (392, 357790), (490, 286232), (518, 270760), (560, 250453), (592, 236915), (740, 189532), (784, 178895), (967, 145040), (980, 143116), (1036, 135380), (1295, 108304), (1480, 94766), (1813, 77360), (1934, 72520), (1960, 71558), (2072, 67690), (2590, 54152), (2960, 47383), (3626, 38680), (3868, 36260), (3920, 35779), (4144, 33845), (4835, 29008), (5180, 27076), (6769, 20720), (7252, 19340), (7736, 18130), (9065, 15472), (9670, 14504), (10360, 13538)]