259862840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2473}}^1$

素因数の和:2592

約数の個数: 64

約数和(自身を含む): 609197760

約数和(自身を除く): 349334920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 568, 710, 740, 1420, 1480, 2473, 2627, 2840, 4946, 5254, 9892, 10508, 12365, 13135, 19784, 21016, 24730, 26270, 49460, 52540, 91501, 98920, 105080, 175583, 183002, 351166, 366004, 457505, 702332, 732008, 877915, 915010, 1404664, 1755830, 1830020, 3511660, 3660040, 6496571, 7023320, 12993142, 25986284, 32482855, 51972568, 64965710, 129931420, 259862840]

約数ペア:

[(1, 259862840), (2, 129931420), (4, 64965710), (5, 51972568), (8, 32482855), (10, 25986284), (20, 12993142), (37, 7023320), (40, 6496571), (71, 3660040), (74, 3511660), (142, 1830020), (148, 1755830), (185, 1404664), (284, 915010), (296, 877915), (355, 732008), (370, 702332), (568, 457505), (710, 366004), (740, 351166), (1420, 183002), (1480, 175583), (2473, 105080), (2627, 98920), (2840, 91501), (4946, 52540), (5254, 49460), (9892, 26270), (10508, 24730), (12365, 21016), (13135, 19784)]