2540450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 5356800

約数和(自身を除く): 2816350

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 110, 149, 155, 275, 298, 310, 341, 550, 682, 745, 775, 1490, 1550, 1639, 1705, 3278, 3410, 3725, 4619, 7450, 8195, 8525, 9238, 16390, 17050, 23095, 40975, 46190, 50809, 81950, 101618, 115475, 230950, 254045, 508090, 1270225, 2540450]

約数ペア:

[(1, 2540450), (2, 1270225), (5, 508090), (10, 254045), (11, 230950), (22, 115475), (25, 101618), (31, 81950), (50, 50809), (55, 46190), (62, 40975), (110, 23095), (149, 17050), (155, 16390), (275, 9238), (298, 8525), (310, 8195), (341, 7450), (550, 4619), (682, 3725), (745, 3410), (775, 3278), (1490, 1705), (1550, 1639)]