140700812

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 287400960

約数和(自身を除く): 146700148

約数列:

[1, 2, 4, 7, 14, 28, 89, 131, 178, 262, 356, 431, 524, 623, 862, 917, 1246, 1724, 1834, 2492, 3017, 3668, 6034, 11659, 12068, 23318, 38359, 46636, 56461, 76718, 81613, 112922, 153436, 163226, 225844, 268513, 326452, 395227, 537026, 790454, 1074052, 1580908, 5025029, 10050058, 20100116, 35175203, 70350406, 140700812]

約数ペア:

[(1, 140700812), (2, 70350406), (4, 35175203), (7, 20100116), (14, 10050058), (28, 5025029), (89, 1580908), (131, 1074052), (178, 790454), (262, 537026), (356, 395227), (431, 326452), (524, 268513), (623, 225844), (862, 163226), (917, 153436), (1246, 112922), (1724, 81613), (1834, 76718), (2492, 56461), (3017, 46636), (3668, 38359), (6034, 23318), (11659, 12068)]