390345760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{49789}}^1$

素因数の和:49818

約数の個数: 72

約数和(自身を含む): 1072775340

約数和(自身を除く): 682429580

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 49789, 99578, 199156, 248945, 348523, 398312, 497890, 697046, 796624, 995780, 1394092, 1593248, 1742615, 1991560, 2439661, 2788184, 3485230, 3983120, 4879322, 5576368, 6970460, 7966240, 9758644, 11152736, 12198305, 13940920, 19517288, 24396610, 27881840, 39034576, 48793220, 55763680, 78069152, 97586440, 195172880, 390345760]

約数ペア:

[(1, 390345760), (2, 195172880), (4, 97586440), (5, 78069152), (7, 55763680), (8, 48793220), (10, 39034576), (14, 27881840), (16, 24396610), (20, 19517288), (28, 13940920), (32, 12198305), (35, 11152736), (40, 9758644), (49, 7966240), (56, 6970460), (70, 5576368), (80, 4879322), (98, 3983120), (112, 3485230), (140, 2788184), (160, 2439661), (196, 1991560), (224, 1742615), (245, 1593248), (280, 1394092), (392, 995780), (490, 796624), (560, 697046), (784, 497890), (980, 398312), (1120, 348523), (1568, 248945), (1960, 199156), (3920, 99578), (7840, 49789)]