208162920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{247813}}^1$

素因数の和:247834

約数の個数: 64

約数和(自身を含む): 713704320

約数和(自身を除く): 505541400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 247813, 495626, 743439, 991252, 1239065, 1486878, 1734691, 1982504, 2478130, 2973756, 3469382, 3717195, 4956260, 5204073, 5947512, 6938764, 7434390, 8673455, 9912520, 10408146, 13877528, 14868780, 17346910, 20816292, 26020365, 29737560, 34693820, 41632584, 52040730, 69387640, 104081460, 208162920]

約数ペア:

[(1, 208162920), (2, 104081460), (3, 69387640), (4, 52040730), (5, 41632584), (6, 34693820), (7, 29737560), (8, 26020365), (10, 20816292), (12, 17346910), (14, 14868780), (15, 13877528), (20, 10408146), (21, 9912520), (24, 8673455), (28, 7434390), (30, 6938764), (35, 5947512), (40, 5204073), (42, 4956260), (56, 3717195), (60, 3469382), (70, 2973756), (84, 2478130), (105, 1982504), (120, 1734691), (140, 1486878), (168, 1239065), (210, 991252), (280, 743439), (420, 495626), (840, 247813)]