890307320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4523}}^1$

素因数の和:4597

約数の個数: 128

約数和(自身を含む): 2475532800

約数和(自身を除く): 1585225480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 37, 38, 40, 56, 70, 74, 76, 95, 133, 140, 148, 152, 185, 190, 259, 266, 280, 296, 370, 380, 518, 532, 665, 703, 740, 760, 1036, 1064, 1295, 1330, 1406, 1480, 2072, 2590, 2660, 2812, 3515, 4523, 4921, 5180, 5320, 5624, 7030, 9046, 9842, 10360, 14060, 18092, 19684, 22615, 24605, 28120, 31661, 36184, 39368, 45230, 49210, 63322, 85937, 90460, 98420, 126644, 158305, 167351, 171874, 180920, 196840, 253288, 316610, 334702, 343748, 429685, 601559, 633220, 669404, 687496, 836755, 859370, 1171457, 1203118, 1266440, 1338808, 1673510, 1718740, 2342914, 2406236, 3007795, 3179669, 3347020, 3437480, 4685828, 4812472, 5857285, 6015590, 6359338, 6694040, 9371656, 11714570, 12031180, 12718676, 15898345, 22257683, 23429140, 24062360, 25437352, 31796690, 44515366, 46858280, 63593380, 89030732, 111288415, 127186760, 178061464, 222576830, 445153660, 890307320]

約数ペア:

[(1, 890307320), (2, 445153660), (4, 222576830), (5, 178061464), (7, 127186760), (8, 111288415), (10, 89030732), (14, 63593380), (19, 46858280), (20, 44515366), (28, 31796690), (35, 25437352), (37, 24062360), (38, 23429140), (40, 22257683), (56, 15898345), (70, 12718676), (74, 12031180), (76, 11714570), (95, 9371656), (133, 6694040), (140, 6359338), (148, 6015590), (152, 5857285), (185, 4812472), (190, 4685828), (259, 3437480), (266, 3347020), (280, 3179669), (296, 3007795), (370, 2406236), (380, 2342914), (518, 1718740), (532, 1673510), (665, 1338808), (703, 1266440), (740, 1203118), (760, 1171457), (1036, 859370), (1064, 836755), (1295, 687496), (1330, 669404), (1406, 633220), (1480, 601559), (2072, 429685), (2590, 343748), (2660, 334702), (2812, 316610), (3515, 253288), (4523, 196840), (4921, 180920), (5180, 171874), (5320, 167351), (5624, 158305), (7030, 126644), (9046, 98420), (9842, 90460), (10360, 85937), (14060, 63322), (18092, 49210), (19684, 45230), (22615, 39368), (24605, 36184), (28120, 31661)]