138471800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 344509200

約数和(自身を除く): 206037400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 139, 170, 200, 278, 293, 340, 425, 556, 586, 680, 695, 850, 1112, 1172, 1390, 1465, 1700, 2344, 2363, 2780, 2930, 3400, 3475, 4726, 4981, 5560, 5860, 6950, 7325, 9452, 9962, 11720, 11815, 13900, 14650, 18904, 19924, 23630, 24905, 27800, 29300, 39848, 40727, 47260, 49810, 58600, 59075, 81454, 94520, 99620, 118150, 124525, 162908, 199240, 203635, 236300, 249050, 325816, 407270, 472600, 498100, 692359, 814540, 996200, 1018175, 1384718, 1629080, 2036350, 2769436, 3461795, 4072700, 5538872, 6923590, 8145400, 13847180, 17308975, 27694360, 34617950, 69235900, 138471800]

約数ペア:

[(1, 138471800), (2, 69235900), (4, 34617950), (5, 27694360), (8, 17308975), (10, 13847180), (17, 8145400), (20, 6923590), (25, 5538872), (34, 4072700), (40, 3461795), (50, 2769436), (68, 2036350), (85, 1629080), (100, 1384718), (136, 1018175), (139, 996200), (170, 814540), (200, 692359), (278, 498100), (293, 472600), (340, 407270), (425, 325816), (556, 249050), (586, 236300), (680, 203635), (695, 199240), (850, 162908), (1112, 124525), (1172, 118150), (1390, 99620), (1465, 94520), (1700, 81454), (2344, 59075), (2363, 58600), (2780, 49810), (2930, 47260), (3400, 40727), (3475, 39848), (4726, 29300), (4981, 27800), (5560, 24905), (5860, 23630), (6950, 19924), (7325, 18904), (9452, 14650), (9962, 13900), (11720, 11815)]