191767550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{307}}^1$

素因数の和:394

約数の個数: 72

約数和(自身を含む): 398208888

約数和(自身を除く): 206441338

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 307, 310, 325, 403, 614, 650, 775, 806, 961, 1535, 1550, 1922, 2015, 3070, 3991, 4030, 4805, 7675, 7982, 9517, 9610, 10075, 12493, 15350, 19034, 19955, 20150, 24025, 24986, 39910, 47585, 48050, 62465, 95170, 99775, 123721, 124930, 199550, 237925, 247442, 295027, 312325, 475850, 590054, 618605, 624650, 1237210, 1475135, 2950270, 3093025, 3835351, 6186050, 7375675, 7670702, 14751350, 19176755, 38353510, 95883775, 191767550]

約数ペア:

[(1, 191767550), (2, 95883775), (5, 38353510), (10, 19176755), (13, 14751350), (25, 7670702), (26, 7375675), (31, 6186050), (50, 3835351), (62, 3093025), (65, 2950270), (130, 1475135), (155, 1237210), (307, 624650), (310, 618605), (325, 590054), (403, 475850), (614, 312325), (650, 295027), (775, 247442), (806, 237925), (961, 199550), (1535, 124930), (1550, 123721), (1922, 99775), (2015, 95170), (3070, 62465), (3991, 48050), (4030, 47585), (4805, 39910), (7675, 24986), (7982, 24025), (9517, 20150), (9610, 19955), (10075, 19034), (12493, 15350)]