401394100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2083}}^1$

素因数の和:2185

約数の個数: 72

約数和(自身を含む): 911691648

約数和(自身を除く): 510297548

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 47, 50, 82, 94, 100, 164, 188, 205, 235, 410, 470, 820, 940, 1025, 1175, 1927, 2050, 2083, 2350, 3854, 4100, 4166, 4700, 7708, 8332, 9635, 10415, 19270, 20830, 38540, 41660, 48175, 52075, 85403, 96350, 97901, 104150, 170806, 192700, 195802, 208300, 341612, 391604, 427015, 489505, 854030, 979010, 1708060, 1958020, 2135075, 2447525, 4013941, 4270150, 4895050, 8027882, 8540300, 9790100, 16055764, 20069705, 40139410, 80278820, 100348525, 200697050, 401394100]

約数ペア:

[(1, 401394100), (2, 200697050), (4, 100348525), (5, 80278820), (10, 40139410), (20, 20069705), (25, 16055764), (41, 9790100), (47, 8540300), (50, 8027882), (82, 4895050), (94, 4270150), (100, 4013941), (164, 2447525), (188, 2135075), (205, 1958020), (235, 1708060), (410, 979010), (470, 854030), (820, 489505), (940, 427015), (1025, 391604), (1175, 341612), (1927, 208300), (2050, 195802), (2083, 192700), (2350, 170806), (3854, 104150), (4100, 97901), (4166, 96350), (4700, 85403), (7708, 52075), (8332, 48175), (9635, 41660), (10415, 38540), (19270, 20830)]