290738280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{346117}}^1$

素因数の和:346138

約数の個数: 64

約数和(自身を含む): 996819840

約数和(自身を除く): 706081560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 346117, 692234, 1038351, 1384468, 1730585, 2076702, 2422819, 2768936, 3461170, 4153404, 4845638, 5191755, 6922340, 7268457, 8306808, 9691276, 10383510, 12114095, 13844680, 14536914, 19382552, 20767020, 24228190, 29073828, 36342285, 41534040, 48456380, 58147656, 72684570, 96912760, 145369140, 290738280]

約数ペア:

[(1, 290738280), (2, 145369140), (3, 96912760), (4, 72684570), (5, 58147656), (6, 48456380), (7, 41534040), (8, 36342285), (10, 29073828), (12, 24228190), (14, 20767020), (15, 19382552), (20, 14536914), (21, 13844680), (24, 12114095), (28, 10383510), (30, 9691276), (35, 8306808), (40, 7268457), (42, 6922340), (56, 5191755), (60, 4845638), (70, 4153404), (84, 3461170), (105, 2768936), (120, 2422819), (140, 2076702), (168, 1730585), (210, 1384468), (280, 1038351), (420, 692234), (840, 346117)]