309156680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{157733}}^1$

素因数の和:157758

約数の個数: 48

約数和(自身を含む): 809175420

約数和(自身を除く): 500018740

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, 157733, 315466, 630932, 788665, 1104131, 1261864, 1577330, 2208262, 3154660, 4416524, 5520655, 6309320, 7728917, 8833048, 11041310, 15457834, 22082620, 30915668, 38644585, 44165240, 61831336, 77289170, 154578340, 309156680]

約数ペア:

[(1, 309156680), (2, 154578340), (4, 77289170), (5, 61831336), (7, 44165240), (8, 38644585), (10, 30915668), (14, 22082620), (20, 15457834), (28, 11041310), (35, 8833048), (40, 7728917), (49, 6309320), (56, 5520655), (70, 4416524), (98, 3154660), (140, 2208262), (196, 1577330), (245, 1261864), (280, 1104131), (392, 788665), (490, 630932), (980, 315466), (1960, 157733)]