290394680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{839}}^1$

素因数の和:1376

約数の個数: 64

約数和(自身を含む): 694008000

約数和(自身を除く): 403613320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 509, 680, 839, 1018, 1678, 2036, 2545, 3356, 4072, 4195, 5090, 6712, 8390, 8653, 10180, 14263, 16780, 17306, 20360, 28526, 33560, 34612, 43265, 57052, 69224, 71315, 86530, 114104, 142630, 173060, 285260, 346120, 427051, 570520, 854102, 1708204, 2135255, 3416408, 4270510, 7259867, 8541020, 14519734, 17082040, 29039468, 36299335, 58078936, 72598670, 145197340, 290394680]

約数ペア:

[(1, 290394680), (2, 145197340), (4, 72598670), (5, 58078936), (8, 36299335), (10, 29039468), (17, 17082040), (20, 14519734), (34, 8541020), (40, 7259867), (68, 4270510), (85, 3416408), (136, 2135255), (170, 1708204), (340, 854102), (509, 570520), (680, 427051), (839, 346120), (1018, 285260), (1678, 173060), (2036, 142630), (2545, 114104), (3356, 86530), (4072, 71315), (4195, 69224), (5090, 57052), (6712, 43265), (8390, 34612), (8653, 33560), (10180, 28526), (14263, 20360), (16780, 17306)]