521303320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{1861}}^1$

素因数の和:2068

約数の個数: 64

約数和(自身を含む): 1206576000

約数和(自身を除く): 685272680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 149, 188, 235, 298, 376, 470, 596, 745, 940, 1192, 1490, 1861, 1880, 2980, 3722, 5960, 7003, 7444, 9305, 14006, 14888, 18610, 28012, 35015, 37220, 56024, 70030, 74440, 87467, 140060, 174934, 277289, 280120, 349868, 437335, 554578, 699736, 874670, 1109156, 1386445, 1749340, 2218312, 2772890, 3498680, 5545780, 11091560, 13032583, 26065166, 52130332, 65162915, 104260664, 130325830, 260651660, 521303320]

約数ペア:

[(1, 521303320), (2, 260651660), (4, 130325830), (5, 104260664), (8, 65162915), (10, 52130332), (20, 26065166), (40, 13032583), (47, 11091560), (94, 5545780), (149, 3498680), (188, 2772890), (235, 2218312), (298, 1749340), (376, 1386445), (470, 1109156), (596, 874670), (745, 699736), (940, 554578), (1192, 437335), (1490, 349868), (1861, 280120), (1880, 277289), (2980, 174934), (3722, 140060), (5960, 87467), (7003, 74440), (7444, 70030), (9305, 56024), (14006, 37220), (14888, 35015), (18610, 28012)]