42602840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2143}}^1$

素因数の和:2232

約数の個数: 64

約数和(自身を含む): 111144960

約数和(自身を除く): 68542120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2143, 2485, 2840, 3976, 4286, 4970, 8572, 9940, 10715, 15001, 17144, 19880, 21430, 30002, 42860, 60004, 75005, 85720, 120008, 150010, 152153, 300020, 304306, 600040, 608612, 760765, 1065071, 1217224, 1521530, 2130142, 3043060, 4260284, 5325355, 6086120, 8520568, 10650710, 21301420, 42602840]

約数ペア:

[(1, 42602840), (2, 21301420), (4, 10650710), (5, 8520568), (7, 6086120), (8, 5325355), (10, 4260284), (14, 3043060), (20, 2130142), (28, 1521530), (35, 1217224), (40, 1065071), (56, 760765), (70, 608612), (71, 600040), (140, 304306), (142, 300020), (280, 152153), (284, 150010), (355, 120008), (497, 85720), (568, 75005), (710, 60004), (994, 42860), (1420, 30002), (1988, 21430), (2143, 19880), (2485, 17144), (2840, 15001), (3976, 10715), (4286, 9940), (4970, 8572)]