858906881420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{86409143}}^1$

素因数の和:86409230

約数の個数: 48

約数和(自身を含む): 2090410011648

約数和(自身を除く): 1231503130228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 86409143, 172818286, 345636572, 432045715, 604864001, 864091430, 1209728002, 1728182860, 2419456004, 3024320005, 6048640010, 6135049153, 12097280020, 12270098306, 24540196612, 30675245765, 42945344071, 61350491530, 85890688142, 122700983060, 171781376284, 214726720355, 429453440710, 858906881420]

約数ペア:

[(1, 858906881420), (2, 429453440710), (4, 214726720355), (5, 171781376284), (7, 122700983060), (10, 85890688142), (14, 61350491530), (20, 42945344071), (28, 30675245765), (35, 24540196612), (70, 12270098306), (71, 12097280020), (140, 6135049153), (142, 6048640010), (284, 3024320005), (355, 2419456004), (497, 1728182860), (710, 1209728002), (994, 864091430), (1420, 604864001), (1988, 432045715), (2485, 345636572), (4970, 172818286), (9940, 86409143)]