713646460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{1019}}^1$

素因数の和:1163

約数の個数: 72

約数和(自身を含む): 1599559920

約数和(自身を除く): 885913460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 361, 380, 388, 485, 722, 970, 1019, 1444, 1805, 1843, 1940, 2038, 3610, 3686, 4076, 5095, 7220, 7372, 9215, 10190, 18430, 19361, 20380, 35017, 36860, 38722, 70034, 77444, 96805, 98843, 140068, 175085, 193610, 197686, 350170, 367859, 387220, 395372, 494215, 700340, 735718, 988430, 1471436, 1839295, 1878017, 1976860, 3678590, 3756034, 7357180, 7512068, 9390085, 18780170, 35682323, 37560340, 71364646, 142729292, 178411615, 356823230, 713646460]

約数ペア:

[(1, 713646460), (2, 356823230), (4, 178411615), (5, 142729292), (10, 71364646), (19, 37560340), (20, 35682323), (38, 18780170), (76, 9390085), (95, 7512068), (97, 7357180), (190, 3756034), (194, 3678590), (361, 1976860), (380, 1878017), (388, 1839295), (485, 1471436), (722, 988430), (970, 735718), (1019, 700340), (1444, 494215), (1805, 395372), (1843, 387220), (1940, 367859), (2038, 350170), (3610, 197686), (3686, 193610), (4076, 175085), (5095, 140068), (7220, 98843), (7372, 96805), (9215, 77444), (10190, 70034), (18430, 38722), (19361, 36860), (20380, 35017)]