205040920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4091}}^1$

素因数の和:4288

約数の個数: 64

約数和(自身を含む): 530323200

約数和(自身を除く): 325282280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 716, 895, 1253, 1432, 1790, 2506, 3580, 4091, 5012, 6265, 7160, 8182, 10024, 12530, 16364, 20455, 25060, 28637, 32728, 40910, 50120, 57274, 81820, 114548, 143185, 163640, 229096, 286370, 572740, 732289, 1145480, 1464578, 2929156, 3661445, 5126023, 5858312, 7322890, 10252046, 14645780, 20504092, 25630115, 29291560, 41008184, 51260230, 102520460, 205040920]

約数ペア:

[(1, 205040920), (2, 102520460), (4, 51260230), (5, 41008184), (7, 29291560), (8, 25630115), (10, 20504092), (14, 14645780), (20, 10252046), (28, 7322890), (35, 5858312), (40, 5126023), (56, 3661445), (70, 2929156), (140, 1464578), (179, 1145480), (280, 732289), (358, 572740), (716, 286370), (895, 229096), (1253, 163640), (1432, 143185), (1790, 114548), (2506, 81820), (3580, 57274), (4091, 50120), (5012, 40910), (6265, 32728), (7160, 28637), (8182, 25060), (10024, 20455), (12530, 16364)]