206356640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{26321}}^1$

素因数の和:26350

約数の個数: 72

約数和(自身を含む): 567133812

約数和(自身を除く): 360777172

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, 26321, 52642, 105284, 131605, 184247, 210568, 263210, 368494, 421136, 526420, 736988, 842272, 921235, 1052840, 1289729, 1473976, 1842470, 2105680, 2579458, 2947952, 3684940, 4211360, 5158916, 5895904, 6448645, 7369880, 10317832, 12897290, 14739760, 20635664, 25794580, 29479520, 41271328, 51589160, 103178320, 206356640]

約数ペア:

[(1, 206356640), (2, 103178320), (4, 51589160), (5, 41271328), (7, 29479520), (8, 25794580), (10, 20635664), (14, 14739760), (16, 12897290), (20, 10317832), (28, 7369880), (32, 6448645), (35, 5895904), (40, 5158916), (49, 4211360), (56, 3684940), (70, 2947952), (80, 2579458), (98, 2105680), (112, 1842470), (140, 1473976), (160, 1289729), (196, 1052840), (224, 921235), (245, 842272), (280, 736988), (392, 526420), (490, 421136), (560, 368494), (784, 263210), (980, 210568), (1120, 184247), (1568, 131605), (1960, 105284), (3920, 52642), (7840, 26321)]