2604520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 6480000

約数和(自身を除く): 3875480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 149, 152, 184, 190, 230, 298, 380, 437, 460, 596, 745, 760, 874, 920, 1192, 1490, 1748, 2185, 2831, 2980, 3427, 3496, 4370, 5662, 5960, 6854, 8740, 11324, 13708, 14155, 17135, 17480, 22648, 27416, 28310, 34270, 56620, 65113, 68540, 113240, 130226, 137080, 260452, 325565, 520904, 651130, 1302260, 2604520]

約数ペア:

[(1, 2604520), (2, 1302260), (4, 651130), (5, 520904), (8, 325565), (10, 260452), (19, 137080), (20, 130226), (23, 113240), (38, 68540), (40, 65113), (46, 56620), (76, 34270), (92, 28310), (95, 27416), (115, 22648), (149, 17480), (152, 17135), (184, 14155), (190, 13708), (230, 11324), (298, 8740), (380, 6854), (437, 5960), (460, 5662), (596, 4370), (745, 3496), (760, 3427), (874, 2980), (920, 2831), (1192, 2185), (1490, 1748)]