198965480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{101513}}^1$

素因数の和:101538

約数の個数: 48

約数和(自身を含む): 520766820

約数和(自身を除く): 321801340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 101513, 203026, 406052, 507565, 710591, 812104, 1015130, 1421182, 2030260, 2842364, 3552955, 4060520, 4974137, 5684728, 7105910, 9948274, 14211820, 19896548, 24870685, 28423640, 39793096, 49741370, 99482740, 198965480]

約数ペア:

[(1, 198965480), (2, 99482740), (4, 49741370), (5, 39793096), (7, 28423640), (8, 24870685), (10, 19896548), (14, 14211820), (20, 9948274), (28, 7105910), (35, 5684728), (40, 4974137), (49, 4060520), (56, 3552955), (70, 2842364), (98, 2030260), (140, 1421182), (196, 1015130), (245, 812104), (280, 710591), (392, 507565), (490, 406052), (980, 203026), (1960, 101513)]