275107640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1489}}^1$

素因数の和:1680

約数の個数: 64

約数和(自身を含む): 643680000

約数和(自身を除く): 368572360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 248, 298, 310, 596, 620, 745, 1192, 1240, 1489, 1490, 2978, 2980, 4619, 5956, 5960, 7445, 9238, 11912, 14890, 18476, 23095, 29780, 36952, 46159, 46190, 59560, 92318, 92380, 184636, 184760, 221861, 230795, 369272, 443722, 461590, 887444, 923180, 1109305, 1774888, 1846360, 2218610, 4437220, 6877691, 8874440, 13755382, 27510764, 34388455, 55021528, 68776910, 137553820, 275107640]

約数ペア:

[(1, 275107640), (2, 137553820), (4, 68776910), (5, 55021528), (8, 34388455), (10, 27510764), (20, 13755382), (31, 8874440), (40, 6877691), (62, 4437220), (124, 2218610), (149, 1846360), (155, 1774888), (248, 1109305), (298, 923180), (310, 887444), (596, 461590), (620, 443722), (745, 369272), (1192, 230795), (1240, 221861), (1489, 184760), (1490, 184636), (2978, 92380), (2980, 92318), (4619, 59560), (5956, 46190), (5960, 46159), (7445, 36952), (9238, 29780), (11912, 23095), (14890, 18476)]