209317880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{607}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 486570240

約数和(自身を除く): 277252360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 233, 296, 370, 466, 607, 740, 932, 1165, 1214, 1480, 1864, 2330, 2428, 3035, 4660, 4856, 6070, 8621, 9320, 12140, 17242, 22459, 24280, 34484, 43105, 44918, 68968, 86210, 89836, 112295, 141431, 172420, 179672, 224590, 282862, 344840, 449180, 565724, 707155, 898360, 1131448, 1414310, 2828620, 5232947, 5657240, 10465894, 20931788, 26164735, 41863576, 52329470, 104658940, 209317880]

約数ペア:

[(1, 209317880), (2, 104658940), (4, 52329470), (5, 41863576), (8, 26164735), (10, 20931788), (20, 10465894), (37, 5657240), (40, 5232947), (74, 2828620), (148, 1414310), (185, 1131448), (233, 898360), (296, 707155), (370, 565724), (466, 449180), (607, 344840), (740, 282862), (932, 224590), (1165, 179672), (1214, 172420), (1480, 141431), (1864, 112295), (2330, 89836), (2428, 86210), (3035, 68968), (4660, 44918), (4856, 43105), (6070, 34484), (8621, 24280), (9320, 22459), (12140, 17242)]