238462540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{653}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 545514480

約数和(自身を除く): 307051940

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 653, 961, 1178, 1306, 1922, 2356, 2612, 2945, 3265, 3844, 4805, 5890, 6530, 9610, 11780, 12407, 13060, 18259, 19220, 20243, 24814, 36518, 40486, 49628, 62035, 73036, 80972, 91295, 101215, 124070, 182590, 202430, 248140, 365180, 384617, 404860, 627533, 769234, 1255066, 1538468, 1923085, 2510132, 3137665, 3846170, 6275330, 7692340, 11923127, 12550660, 23846254, 47692508, 59615635, 119231270, 238462540]

約数ペア:

[(1, 238462540), (2, 119231270), (4, 59615635), (5, 47692508), (10, 23846254), (19, 12550660), (20, 11923127), (31, 7692340), (38, 6275330), (62, 3846170), (76, 3137665), (95, 2510132), (124, 1923085), (155, 1538468), (190, 1255066), (310, 769234), (380, 627533), (589, 404860), (620, 384617), (653, 365180), (961, 248140), (1178, 202430), (1306, 182590), (1922, 124070), (2356, 101215), (2612, 91295), (2945, 80972), (3265, 73036), (3844, 62035), (4805, 49628), (5890, 40486), (6530, 36518), (9610, 24814), (11780, 20243), (12407, 19220), (13060, 18259)]