289484440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 787968000

約数和(自身を除く): 498483560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 79, 92, 115, 140, 158, 161, 184, 230, 280, 316, 322, 395, 460, 553, 569, 632, 644, 790, 805, 920, 1106, 1138, 1288, 1580, 1610, 1817, 2212, 2276, 2765, 2845, 3160, 3220, 3634, 3983, 4424, 4552, 5530, 5690, 6440, 7268, 7966, 9085, 11060, 11380, 12719, 13087, 14536, 15932, 18170, 19915, 22120, 22760, 25438, 26174, 31864, 36340, 39830, 44951, 50876, 52348, 63595, 65435, 72680, 79660, 89902, 91609, 101752, 104696, 127190, 130870, 159320, 179804, 183218, 224755, 254380, 261740, 314657, 359608, 366436, 449510, 458045, 508760, 523480, 629314, 732872, 899020, 916090, 1033873, 1258628, 1573285, 1798040, 1832180, 2067746, 2517256, 3146570, 3664360, 4135492, 5169365, 6293140, 7237111, 8270984, 10338730, 12586280, 14474222, 20677460, 28948444, 36185555, 41354920, 57896888, 72371110, 144742220, 289484440]

約数ペア:

[(1, 289484440), (2, 144742220), (4, 72371110), (5, 57896888), (7, 41354920), (8, 36185555), (10, 28948444), (14, 20677460), (20, 14474222), (23, 12586280), (28, 10338730), (35, 8270984), (40, 7237111), (46, 6293140), (56, 5169365), (70, 4135492), (79, 3664360), (92, 3146570), (115, 2517256), (140, 2067746), (158, 1832180), (161, 1798040), (184, 1573285), (230, 1258628), (280, 1033873), (316, 916090), (322, 899020), (395, 732872), (460, 629314), (553, 523480), (569, 508760), (632, 458045), (644, 449510), (790, 366436), (805, 359608), (920, 314657), (1106, 261740), (1138, 254380), (1288, 224755), (1580, 183218), (1610, 179804), (1817, 159320), (2212, 130870), (2276, 127190), (2765, 104696), (2845, 101752), (3160, 91609), (3220, 89902), (3634, 79660), (3983, 72680), (4424, 65435), (4552, 63595), (5530, 52348), (5690, 50876), (6440, 44951), (7268, 39830), (7966, 36340), (9085, 31864), (11060, 26174), (11380, 25438), (12719, 22760), (13087, 22120), (14536, 19915), (15932, 18170)]