280335550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 592997760

約数和(自身を除く): 312662210

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 53, 55, 59, 106, 110, 118, 163, 265, 275, 295, 326, 530, 550, 583, 590, 649, 815, 1166, 1298, 1325, 1475, 1630, 1793, 2650, 2915, 2950, 3127, 3245, 3586, 4075, 5830, 6254, 6490, 8150, 8639, 8965, 9617, 14575, 15635, 16225, 17278, 17930, 19234, 29150, 31270, 32450, 34397, 43195, 44825, 48085, 68794, 78175, 86390, 89650, 95029, 96170, 105787, 156350, 171985, 190058, 211574, 215975, 240425, 343970, 431950, 475145, 480850, 509701, 528935, 859925, 950290, 1019402, 1057870, 1719850, 2375725, 2548505, 2644675, 4751450, 5097010, 5289350, 5606711, 11213422, 12742525, 25485050, 28033555, 56067110, 140167775, 280335550]

約数ペア:

[(1, 280335550), (2, 140167775), (5, 56067110), (10, 28033555), (11, 25485050), (22, 12742525), (25, 11213422), (50, 5606711), (53, 5289350), (55, 5097010), (59, 4751450), (106, 2644675), (110, 2548505), (118, 2375725), (163, 1719850), (265, 1057870), (275, 1019402), (295, 950290), (326, 859925), (530, 528935), (550, 509701), (583, 480850), (590, 475145), (649, 431950), (815, 343970), (1166, 240425), (1298, 215975), (1325, 211574), (1475, 190058), (1630, 171985), (1793, 156350), (2650, 105787), (2915, 96170), (2950, 95029), (3127, 89650), (3245, 86390), (3586, 78175), (4075, 68794), (5830, 48085), (6254, 44825), (6490, 43195), (8150, 34397), (8639, 32450), (8965, 31270), (9617, 29150), (14575, 19234), (15635, 17930), (16225, 17278)]