4989400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 13280400

約数和(自身を除く): 8291000

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 101, 104, 130, 152, 190, 200, 202, 247, 260, 325, 380, 404, 475, 494, 505, 520, 650, 760, 808, 950, 988, 1010, 1235, 1300, 1313, 1900, 1919, 1976, 2020, 2470, 2525, 2600, 2626, 3800, 3838, 4040, 4940, 5050, 5252, 6175, 6565, 7676, 9595, 9880, 10100, 10504, 12350, 13130, 15352, 19190, 20200, 24700, 24947, 26260, 32825, 38380, 47975, 49400, 49894, 52520, 65650, 76760, 95950, 99788, 124735, 131300, 191900, 199576, 249470, 262600, 383800, 498940, 623675, 997880, 1247350, 2494700, 4989400]

約数ペア:

[(1, 4989400), (2, 2494700), (4, 1247350), (5, 997880), (8, 623675), (10, 498940), (13, 383800), (19, 262600), (20, 249470), (25, 199576), (26, 191900), (38, 131300), (40, 124735), (50, 99788), (52, 95950), (65, 76760), (76, 65650), (95, 52520), (100, 49894), (101, 49400), (104, 47975), (130, 38380), (152, 32825), (190, 26260), (200, 24947), (202, 24700), (247, 20200), (260, 19190), (325, 15352), (380, 13130), (404, 12350), (475, 10504), (494, 10100), (505, 9880), (520, 9595), (650, 7676), (760, 6565), (808, 6175), (950, 5252), (988, 5050), (1010, 4940), (1235, 4040), (1300, 3838), (1313, 3800), (1900, 2626), (1919, 2600), (1976, 2525), (2020, 2470)]