217023700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6719}}^1$

素因数の和:6769

約数の個数: 72

約数和(自身を含む): 524966400

約数和(自身を除く): 307942700

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 646, 850, 950, 1292, 1615, 1700, 1900, 3230, 6460, 6719, 8075, 13438, 16150, 26876, 32300, 33595, 67190, 114223, 127661, 134380, 167975, 228446, 255322, 335950, 456892, 510644, 571115, 638305, 671900, 1142230, 1276610, 2170237, 2284460, 2553220, 2855575, 3191525, 4340474, 5711150, 6383050, 8680948, 10851185, 11422300, 12766100, 21702370, 43404740, 54255925, 108511850, 217023700]

約数ペア:

[(1, 217023700), (2, 108511850), (4, 54255925), (5, 43404740), (10, 21702370), (17, 12766100), (19, 11422300), (20, 10851185), (25, 8680948), (34, 6383050), (38, 5711150), (50, 4340474), (68, 3191525), (76, 2855575), (85, 2553220), (95, 2284460), (100, 2170237), (170, 1276610), (190, 1142230), (323, 671900), (340, 638305), (380, 571115), (425, 510644), (475, 456892), (646, 335950), (850, 255322), (950, 228446), (1292, 167975), (1615, 134380), (1700, 127661), (1900, 114223), (3230, 67190), (6460, 33595), (6719, 32300), (8075, 26876), (13438, 16150)]