74939025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 142352000

約数和(自身を除く): 67412975

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 349, 409, 525, 1047, 1227, 1745, 2045, 2443, 2863, 5235, 6135, 7329, 8589, 8725, 10225, 12215, 14315, 26175, 30675, 36645, 42945, 61075, 71575, 142741, 183225, 214725, 428223, 713705, 999187, 2141115, 2997561, 3568525, 4995935, 10705575, 14987805, 24979675, 74939025]

約数ペア:

[(1, 74939025), (3, 24979675), (5, 14987805), (7, 10705575), (15, 4995935), (21, 3568525), (25, 2997561), (35, 2141115), (75, 999187), (105, 713705), (175, 428223), (349, 214725), (409, 183225), (525, 142741), (1047, 71575), (1227, 61075), (1745, 42945), (2045, 36645), (2443, 30675), (2863, 26175), (5235, 14315), (6135, 12215), (7329, 10225), (8589, 8725)]