2007807515

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 2903040000

約数和(自身を除く): 895232485

約数列:

[1, 5, 7, 35, 41, 79, 89, 199, 205, 287, 395, 445, 553, 623, 995, 1393, 1435, 2765, 3115, 3239, 3649, 6965, 7031, 8159, 15721, 16195, 17711, 18245, 22673, 25543, 35155, 40795, 49217, 57113, 78605, 88555, 110047, 113365, 123977, 127715, 246085, 285565, 288271, 550235, 619885, 644561, 726151, 1399169, 1441355, 2017897, 3222805, 3630755, 4511927, 5083057, 6995845, 9794183, 10089485, 22559635, 25415285, 48970915, 57365929, 286829645, 401561503, 2007807515]

約数ペア:

[(1, 2007807515), (5, 401561503), (7, 286829645), (35, 57365929), (41, 48970915), (79, 25415285), (89, 22559635), (199, 10089485), (205, 9794183), (287, 6995845), (395, 5083057), (445, 4511927), (553, 3630755), (623, 3222805), (995, 2017897), (1393, 1441355), (1435, 1399169), (2765, 726151), (3115, 644561), (3239, 619885), (3649, 550235), (6965, 288271), (7031, 285565), (8159, 246085), (15721, 127715), (16195, 123977), (17711, 113365), (18245, 110047), (22673, 88555), (25543, 78605), (35155, 57113), (40795, 49217)]