3173240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1619}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 8310600

約数和(自身を除く): 5137360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1619, 1960, 3238, 6476, 8095, 11333, 12952, 16190, 22666, 32380, 45332, 56665, 64760, 79331, 90664, 113330, 158662, 226660, 317324, 396655, 453320, 634648, 793310, 1586620, 3173240]

約数ペア:

[(1, 3173240), (2, 1586620), (4, 793310), (5, 634648), (7, 453320), (8, 396655), (10, 317324), (14, 226660), (20, 158662), (28, 113330), (35, 90664), (40, 79331), (49, 64760), (56, 56665), (70, 45332), (98, 32380), (140, 22666), (196, 16190), (245, 12952), (280, 11333), (392, 8095), (490, 6476), (980, 3238), (1619, 1960)]