2003161720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{230779}}^1$

素因数の和:230828

約数の個数: 64

約数和(自身を含む): 5317171200

約数和(自身を除く): 3314009480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 230779, 461558, 923116, 1153895, 1615453, 1846232, 2307790, 3230906, 4615580, 6461812, 7154149, 8077265, 9231160, 12923624, 14308298, 16154530, 28616596, 32309060, 35770745, 50079043, 57233192, 64618120, 71541490, 100158086, 143082980, 200316172, 250395215, 286165960, 400632344, 500790430, 1001580860, 2003161720]

約数ペア:

[(1, 2003161720), (2, 1001580860), (4, 500790430), (5, 400632344), (7, 286165960), (8, 250395215), (10, 200316172), (14, 143082980), (20, 100158086), (28, 71541490), (31, 64618120), (35, 57233192), (40, 50079043), (56, 35770745), (62, 32309060), (70, 28616596), (124, 16154530), (140, 14308298), (155, 12923624), (217, 9231160), (248, 8077265), (280, 7154149), (310, 6461812), (434, 4615580), (620, 3230906), (868, 2307790), (1085, 1846232), (1240, 1615453), (1736, 1153895), (2170, 923116), (4340, 461558), (8680, 230779)]