7748125

素因数分解:

$5^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:68

約数の個数: 60

約数和(自身を含む): 12820896

約数和(自身を除く): 5072771

約数列:

[1, 5, 7, 11, 23, 25, 35, 49, 55, 77, 115, 125, 161, 175, 245, 253, 275, 385, 539, 575, 625, 805, 875, 1127, 1225, 1265, 1375, 1771, 1925, 2695, 2875, 4025, 4375, 5635, 6125, 6325, 6875, 8855, 9625, 12397, 13475, 14375, 20125, 28175, 30625, 31625, 44275, 48125, 61985, 67375, 100625, 140875, 158125, 221375, 309925, 336875, 704375, 1106875, 1549625, 7748125]

約数ペア:

[(1, 7748125), (5, 1549625), (7, 1106875), (11, 704375), (23, 336875), (25, 309925), (35, 221375), (49, 158125), (55, 140875), (77, 100625), (115, 67375), (125, 61985), (161, 48125), (175, 44275), (245, 31625), (253, 30625), (275, 28175), (385, 20125), (539, 14375), (575, 13475), (625, 12397), (805, 9625), (875, 8855), (1127, 6875), (1225, 6325), (1265, 6125), (1375, 5635), (1771, 4375), (1925, 4025), (2695, 2875)]