209090400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{87121}}^1$

素因数の和:87144

約数の個数: 72

約数和(自身を含む): 680597064

約数和(自身を除く): 471506664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 300, 400, 480, 600, 800, 1200, 2400, 87121, 174242, 261363, 348484, 435605, 522726, 696968, 871210, 1045452, 1306815, 1393936, 1742420, 2090904, 2178025, 2613630, 2787872, 3484840, 4181808, 4356050, 5227260, 6534075, 6969680, 8363616, 8712100, 10454520, 13068150, 13939360, 17424200, 20909040, 26136300, 34848400, 41818080, 52272600, 69696800, 104545200, 209090400]

約数ペア:

[(1, 209090400), (2, 104545200), (3, 69696800), (4, 52272600), (5, 41818080), (6, 34848400), (8, 26136300), (10, 20909040), (12, 17424200), (15, 13939360), (16, 13068150), (20, 10454520), (24, 8712100), (25, 8363616), (30, 6969680), (32, 6534075), (40, 5227260), (48, 4356050), (50, 4181808), (60, 3484840), (75, 2787872), (80, 2613630), (96, 2178025), (100, 2090904), (120, 1742420), (150, 1393936), (160, 1306815), (200, 1045452), (240, 871210), (300, 696968), (400, 522726), (480, 435605), (600, 348484), (800, 261363), (1200, 174242), (2400, 87121)]