2220625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:67

約数の個数: 40

約数和(自身を含む): 3373920

約数和(自身を除く): 1153295

約数列:

[1, 5, 11, 17, 19, 25, 55, 85, 95, 125, 187, 209, 275, 323, 425, 475, 625, 935, 1045, 1375, 1615, 2125, 2375, 3553, 4675, 5225, 6875, 8075, 10625, 11875, 17765, 23375, 26125, 40375, 88825, 116875, 130625, 201875, 444125, 2220625]

約数ペア:

[(1, 2220625), (5, 444125), (11, 201875), (17, 130625), (19, 116875), (25, 88825), (55, 40375), (85, 26125), (95, 23375), (125, 17765), (187, 11875), (209, 10625), (275, 8075), (323, 6875), (425, 5225), (475, 4675), (625, 3553), (935, 2375), (1045, 2125), (1375, 1615)]