519439100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8819}}^1$

素因数の和:8883

約数の個数: 72

約数和(自身を含む): 1224921600

約数和(自身を除く): 705482500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 589, 620, 775, 950, 1178, 1550, 1900, 2356, 2945, 3100, 5890, 8819, 11780, 14725, 17638, 29450, 35276, 44095, 58900, 88190, 167561, 176380, 220475, 273389, 335122, 440950, 546778, 670244, 837805, 881900, 1093556, 1366945, 1675610, 2733890, 3351220, 4189025, 5194391, 5467780, 6834725, 8378050, 10388782, 13669450, 16756100, 20777564, 25971955, 27338900, 51943910, 103887820, 129859775, 259719550, 519439100]

約数ペア:

[(1, 519439100), (2, 259719550), (4, 129859775), (5, 103887820), (10, 51943910), (19, 27338900), (20, 25971955), (25, 20777564), (31, 16756100), (38, 13669450), (50, 10388782), (62, 8378050), (76, 6834725), (95, 5467780), (100, 5194391), (124, 4189025), (155, 3351220), (190, 2733890), (310, 1675610), (380, 1366945), (475, 1093556), (589, 881900), (620, 837805), (775, 670244), (950, 546778), (1178, 440950), (1550, 335122), (1900, 273389), (2356, 220475), (2945, 176380), (3100, 167561), (5890, 88190), (8819, 58900), (11780, 44095), (14725, 35276), (17638, 29450)]