315157220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{18917}}^1$

素因数の和:18957

約数の個数: 72

約数和(自身を含む): 815214456

約数和(自身を除く): 500057236

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 16660, 18917, 37834, 75668, 94585, 132419, 189170, 264838, 321589, 378340, 529676, 643178, 662095, 926933, 1286356, 1324190, 1607945, 1853866, 2251123, 2648380, 3215890, 3707732, 4502246, 4634665, 6431780, 9004492, 9269330, 11255615, 15757861, 18538660, 22511230, 31515722, 45022460, 63031444, 78789305, 157578610, 315157220]

約数ペア:

[(1, 315157220), (2, 157578610), (4, 78789305), (5, 63031444), (7, 45022460), (10, 31515722), (14, 22511230), (17, 18538660), (20, 15757861), (28, 11255615), (34, 9269330), (35, 9004492), (49, 6431780), (68, 4634665), (70, 4502246), (85, 3707732), (98, 3215890), (119, 2648380), (140, 2251123), (170, 1853866), (196, 1607945), (238, 1324190), (245, 1286356), (340, 926933), (476, 662095), (490, 643178), (595, 529676), (833, 378340), (980, 321589), (1190, 264838), (1666, 189170), (2380, 132419), (3332, 94585), (4165, 75668), (8330, 37834), (16660, 18917)]