30836680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15733}}^1$

素因数の和:15758

約数の個数: 48

約数和(自身を含む): 80715420

約数和(自身を除く): 49878740

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, 15733, 31466, 62932, 78665, 110131, 125864, 157330, 220262, 314660, 440524, 550655, 629320, 770917, 881048, 1101310, 1541834, 2202620, 3083668, 3854585, 4405240, 6167336, 7709170, 15418340, 30836680]

約数ペア:

[(1, 30836680), (2, 15418340), (4, 7709170), (5, 6167336), (7, 4405240), (8, 3854585), (10, 3083668), (14, 2202620), (20, 1541834), (28, 1101310), (35, 881048), (40, 770917), (49, 629320), (56, 550655), (70, 440524), (98, 314660), (140, 220262), (196, 157330), (245, 125864), (280, 110131), (392, 78665), (490, 62932), (980, 31466), (1960, 15733)]