1320793820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1\times {\mathrm{2417}}^1$

素因数の和:2822

約数の個数: 48

約数和(自身を含む): 2815132320

約数和(自身を除く): 1494338500

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 307, 356, 445, 614, 890, 1228, 1535, 1780, 2417, 3070, 4834, 6140, 9668, 12085, 24170, 27323, 48340, 54646, 109292, 136615, 215113, 273230, 430226, 546460, 742019, 860452, 1075565, 1484038, 2151130, 2968076, 3710095, 4302260, 7420190, 14840380, 66039691, 132079382, 264158764, 330198455, 660396910, 1320793820]

約数ペア:

[(1, 1320793820), (2, 660396910), (4, 330198455), (5, 264158764), (10, 132079382), (20, 66039691), (89, 14840380), (178, 7420190), (307, 4302260), (356, 3710095), (445, 2968076), (614, 2151130), (890, 1484038), (1228, 1075565), (1535, 860452), (1780, 742019), (2417, 546460), (3070, 430226), (4834, 273230), (6140, 215113), (9668, 136615), (12085, 109292), (24170, 54646), (27323, 48340)]