38980900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 97493760

約数和(自身を除く): 58512860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 233, 239, 350, 466, 478, 700, 932, 956, 1165, 1195, 1631, 1673, 2330, 2390, 3262, 3346, 4660, 4780, 5825, 5975, 6524, 6692, 8155, 8365, 11650, 11950, 16310, 16730, 23300, 23900, 32620, 33460, 40775, 41825, 55687, 81550, 83650, 111374, 163100, 167300, 222748, 278435, 389809, 556870, 779618, 1113740, 1392175, 1559236, 1949045, 2784350, 3898090, 5568700, 7796180, 9745225, 19490450, 38980900]

約数ペア:

[(1, 38980900), (2, 19490450), (4, 9745225), (5, 7796180), (7, 5568700), (10, 3898090), (14, 2784350), (20, 1949045), (25, 1559236), (28, 1392175), (35, 1113740), (50, 779618), (70, 556870), (100, 389809), (140, 278435), (175, 222748), (233, 167300), (239, 163100), (350, 111374), (466, 83650), (478, 81550), (700, 55687), (932, 41825), (956, 40775), (1165, 33460), (1195, 32620), (1631, 23900), (1673, 23300), (2330, 16730), (2390, 16310), (3262, 11950), (3346, 11650), (4660, 8365), (4780, 8155), (5825, 6692), (5975, 6524)]