1377500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:72

約数の個数: 60

約数和(自身を含む): 3280200

約数和(自身を除く): 1902700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 95, 100, 116, 125, 145, 190, 250, 290, 380, 475, 500, 551, 580, 625, 725, 950, 1102, 1250, 1450, 1900, 2204, 2375, 2500, 2755, 2900, 3625, 4750, 5510, 7250, 9500, 11020, 11875, 13775, 14500, 18125, 23750, 27550, 36250, 47500, 55100, 68875, 72500, 137750, 275500, 344375, 688750, 1377500]

約数ペア:

[(1, 1377500), (2, 688750), (4, 344375), (5, 275500), (10, 137750), (19, 72500), (20, 68875), (25, 55100), (29, 47500), (38, 36250), (50, 27550), (58, 23750), (76, 18125), (95, 14500), (100, 13775), (116, 11875), (125, 11020), (145, 9500), (190, 7250), (250, 5510), (290, 4750), (380, 3625), (475, 2900), (500, 2755), (551, 2500), (580, 2375), (625, 2204), (725, 1900), (950, 1450), (1102, 1250)]