197456875

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{373}}^1$

素因数の和:422

約数の個数: 60

約数和(自身を含む): 310788016

約数和(自身を除く): 113331141

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 125, 175, 275, 373, 385, 605, 625, 847, 875, 1375, 1865, 1925, 2611, 3025, 4103, 4235, 4375, 6875, 9325, 9625, 13055, 15125, 20515, 21175, 28721, 45133, 46625, 48125, 65275, 75625, 102575, 105875, 143605, 225665, 233125, 315931, 326375, 512875, 529375, 718025, 1128325, 1579655, 1631875, 2564375, 3590125, 5641625, 7898275, 17950625, 28208125, 39491375, 197456875]

約数ペア:

[(1, 197456875), (5, 39491375), (7, 28208125), (11, 17950625), (25, 7898275), (35, 5641625), (55, 3590125), (77, 2564375), (121, 1631875), (125, 1579655), (175, 1128325), (275, 718025), (373, 529375), (385, 512875), (605, 326375), (625, 315931), (847, 233125), (875, 225665), (1375, 143605), (1865, 105875), (1925, 102575), (2611, 75625), (3025, 65275), (4103, 48125), (4235, 46625), (4375, 45133), (6875, 28721), (9325, 21175), (9625, 20515), (13055, 15125)]