1380367600

素因数分解:

$2^4\times 5^2\times {\mathrm{1259}}^1\times {\mathrm{2741}}^1$

素因数の和:4018

約数の個数: 60

約数和(自身を含む): 3320178120

約数和(自身を除く): 1939810520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1259, 2518, 2741, 5036, 5482, 6295, 10072, 10964, 12590, 13705, 20144, 21928, 25180, 27410, 31475, 43856, 50360, 54820, 62950, 68525, 100720, 109640, 125900, 137050, 219280, 251800, 274100, 503600, 548200, 1096400, 3450919, 6901838, 13803676, 17254595, 27607352, 34509190, 55214704, 69018380, 86272975, 138036760, 172545950, 276073520, 345091900, 690183800, 1380367600]

約数ペア:

[(1, 1380367600), (2, 690183800), (4, 345091900), (5, 276073520), (8, 172545950), (10, 138036760), (16, 86272975), (20, 69018380), (25, 55214704), (40, 34509190), (50, 27607352), (80, 17254595), (100, 13803676), (200, 6901838), (400, 3450919), (1259, 1096400), (2518, 548200), (2741, 503600), (5036, 274100), (5482, 251800), (6295, 219280), (10072, 137050), (10964, 125900), (12590, 109640), (13705, 100720), (20144, 68525), (21928, 62950), (25180, 54820), (27410, 50360), (31475, 43856)]