139657840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1549}}^1$

素因数の和:1599

約数の個数: 120

約数和(自身を含む): 394394400

約数和(自身を除く): 254736560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 784, 805, 920, 980, 1127, 1288, 1549, 1610, 1840, 1960, 2254, 2576, 3098, 3220, 3920, 4508, 5635, 6196, 6440, 7745, 9016, 10843, 11270, 12392, 12880, 15490, 18032, 21686, 22540, 24784, 30980, 35627, 43372, 45080, 54215, 61960, 71254, 75901, 86744, 90160, 108430, 123920, 142508, 151802, 173488, 178135, 216860, 249389, 285016, 303604, 356270, 379505, 433720, 498778, 570032, 607208, 712540, 759010, 867440, 997556, 1214416, 1246945, 1425080, 1518020, 1745723, 1995112, 2493890, 2850160, 3036040, 3491446, 3990224, 4987780, 6072080, 6982892, 8728615, 9975560, 13965784, 17457230, 19951120, 27931568, 34914460, 69828920, 139657840]

約数ペア:

[(1, 139657840), (2, 69828920), (4, 34914460), (5, 27931568), (7, 19951120), (8, 17457230), (10, 13965784), (14, 9975560), (16, 8728615), (20, 6982892), (23, 6072080), (28, 4987780), (35, 3990224), (40, 3491446), (46, 3036040), (49, 2850160), (56, 2493890), (70, 1995112), (80, 1745723), (92, 1518020), (98, 1425080), (112, 1246945), (115, 1214416), (140, 997556), (161, 867440), (184, 759010), (196, 712540), (230, 607208), (245, 570032), (280, 498778), (322, 433720), (368, 379505), (392, 356270), (460, 303604), (490, 285016), (560, 249389), (644, 216860), (784, 178135), (805, 173488), (920, 151802), (980, 142508), (1127, 123920), (1288, 108430), (1549, 90160), (1610, 86744), (1840, 75901), (1960, 71254), (2254, 61960), (2576, 54215), (3098, 45080), (3220, 43372), (3920, 35627), (4508, 30980), (5635, 24784), (6196, 22540), (6440, 21686), (7745, 18032), (9016, 15490), (10843, 12880), (11270, 12392)]