201428840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 465696000

約数和(自身を除く): 264267160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 307, 349, 376, 470, 614, 698, 940, 1228, 1396, 1535, 1745, 1880, 2456, 2792, 3070, 3490, 6140, 6980, 12280, 13960, 14429, 16403, 28858, 32806, 57716, 65612, 72145, 82015, 107143, 115432, 131224, 144290, 164030, 214286, 288580, 328060, 428572, 535715, 577160, 656120, 857144, 1071430, 2142860, 4285720, 5035721, 10071442, 20142884, 25178605, 40285768, 50357210, 100714420, 201428840]

約数ペア:

[(1, 201428840), (2, 100714420), (4, 50357210), (5, 40285768), (8, 25178605), (10, 20142884), (20, 10071442), (40, 5035721), (47, 4285720), (94, 2142860), (188, 1071430), (235, 857144), (307, 656120), (349, 577160), (376, 535715), (470, 428572), (614, 328060), (698, 288580), (940, 214286), (1228, 164030), (1396, 144290), (1535, 131224), (1745, 115432), (1880, 107143), (2456, 82015), (2792, 72145), (3070, 65612), (3490, 57716), (6140, 32806), (6980, 28858), (12280, 16403), (13960, 14429)]