239969240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1129

約数の個数: 128

約数和(自身を含む): 665280000

約数和(自身を除く): 425310760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 43, 56, 70, 76, 86, 95, 133, 140, 152, 172, 190, 215, 266, 280, 301, 344, 380, 430, 532, 602, 665, 760, 817, 860, 1049, 1064, 1204, 1330, 1505, 1634, 1720, 2098, 2408, 2660, 3010, 3268, 4085, 4196, 5245, 5320, 5719, 6020, 6536, 7343, 8170, 8392, 10490, 11438, 12040, 14686, 16340, 19931, 20980, 22876, 28595, 29372, 32680, 36715, 39862, 41960, 45107, 45752, 57190, 58744, 73430, 79724, 90214, 99655, 114380, 139517, 146860, 159448, 180428, 199310, 225535, 228760, 279034, 293720, 315749, 360856, 398620, 451070, 558068, 631498, 697585, 797240, 857033, 902140, 1116136, 1262996, 1395170, 1578745, 1714066, 1804280, 2525992, 2790340, 3157490, 3428132, 4285165, 5580680, 5999231, 6314980, 6856264, 8570330, 11998462, 12629960, 17140660, 23996924, 29996155, 34281320, 47993848, 59992310, 119984620, 239969240]

約数ペア:

[(1, 239969240), (2, 119984620), (4, 59992310), (5, 47993848), (7, 34281320), (8, 29996155), (10, 23996924), (14, 17140660), (19, 12629960), (20, 11998462), (28, 8570330), (35, 6856264), (38, 6314980), (40, 5999231), (43, 5580680), (56, 4285165), (70, 3428132), (76, 3157490), (86, 2790340), (95, 2525992), (133, 1804280), (140, 1714066), (152, 1578745), (172, 1395170), (190, 1262996), (215, 1116136), (266, 902140), (280, 857033), (301, 797240), (344, 697585), (380, 631498), (430, 558068), (532, 451070), (602, 398620), (665, 360856), (760, 315749), (817, 293720), (860, 279034), (1049, 228760), (1064, 225535), (1204, 199310), (1330, 180428), (1505, 159448), (1634, 146860), (1720, 139517), (2098, 114380), (2408, 99655), (2660, 90214), (3010, 79724), (3268, 73430), (4085, 58744), (4196, 57190), (5245, 45752), (5320, 45107), (5719, 41960), (6020, 39862), (6536, 36715), (7343, 32680), (8170, 29372), (8392, 28595), (10490, 22876), (11438, 20980), (12040, 19931), (14686, 16340)]