2487758840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{19273}}^1$

素因数の和:19752

約数の個数: 64

約数和(自身を含む): 6411303360

約数和(自身を除く): 3923544520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 461, 922, 1844, 2305, 3227, 3688, 4610, 6454, 9220, 12908, 16135, 18440, 19273, 25816, 32270, 38546, 64540, 77092, 96365, 129080, 134911, 154184, 192730, 269822, 385460, 539644, 674555, 770920, 1079288, 1349110, 2698220, 5396440, 8884853, 17769706, 35539412, 44424265, 62193971, 71078824, 88848530, 124387942, 177697060, 248775884, 310969855, 355394120, 497551768, 621939710, 1243879420, 2487758840]

約数ペア:

[(1, 2487758840), (2, 1243879420), (4, 621939710), (5, 497551768), (7, 355394120), (8, 310969855), (10, 248775884), (14, 177697060), (20, 124387942), (28, 88848530), (35, 71078824), (40, 62193971), (56, 44424265), (70, 35539412), (140, 17769706), (280, 8884853), (461, 5396440), (922, 2698220), (1844, 1349110), (2305, 1079288), (3227, 770920), (3688, 674555), (4610, 539644), (6454, 385460), (9220, 269822), (12908, 192730), (16135, 154184), (18440, 134911), (19273, 129080), (25816, 96365), (32270, 77092), (38546, 64540)]