42006440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2113}}^1$

素因数の和:2202

約数の個数: 64

約数和(自身を含む): 109589760

約数和(自身を除く): 67583320

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, 2113, 2485, 2840, 3976, 4226, 4970, 8452, 9940, 10565, 14791, 16904, 19880, 21130, 29582, 42260, 59164, 73955, 84520, 118328, 147910, 150023, 295820, 300046, 591640, 600092, 750115, 1050161, 1200184, 1500230, 2100322, 3000460, 4200644, 5250805, 6000920, 8401288, 10501610, 21003220, 42006440]

約数ペア:

[(1, 42006440), (2, 21003220), (4, 10501610), (5, 8401288), (7, 6000920), (8, 5250805), (10, 4200644), (14, 3000460), (20, 2100322), (28, 1500230), (35, 1200184), (40, 1050161), (56, 750115), (70, 600092), (71, 591640), (140, 300046), (142, 295820), (280, 150023), (284, 147910), (355, 118328), (497, 84520), (568, 73955), (710, 59164), (994, 42260), (1420, 29582), (1988, 21130), (2113, 19880), (2485, 16904), (2840, 14791), (3976, 10565), (4226, 9940), (4970, 8452)]