201946640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{51517}}^1$

素因数の和:51544

約数の個数: 60

約数和(自身を含む): 546193836

約数和(自身を除く): 344247196

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 51517, 103034, 206068, 257585, 360619, 412136, 515170, 721238, 824272, 1030340, 1442476, 1803095, 2060680, 2524333, 2884952, 3606190, 4121360, 5048666, 5769904, 7212380, 10097332, 12621665, 14424760, 20194664, 25243330, 28849520, 40389328, 50486660, 100973320, 201946640]

約数ペア:

[(1, 201946640), (2, 100973320), (4, 50486660), (5, 40389328), (7, 28849520), (8, 25243330), (10, 20194664), (14, 14424760), (16, 12621665), (20, 10097332), (28, 7212380), (35, 5769904), (40, 5048666), (49, 4121360), (56, 3606190), (70, 2884952), (80, 2524333), (98, 2060680), (112, 1803095), (140, 1442476), (196, 1030340), (245, 824272), (280, 721238), (392, 515170), (490, 412136), (560, 360619), (784, 257585), (980, 206068), (1960, 103034), (3920, 51517)]