2019994240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3457}}^1$

素因数の和:3570

約数の個数: 128

約数和(自身を含む): 5333065920

約数和(自身を除く): 3313071680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 83, 88, 110, 128, 160, 166, 176, 220, 320, 332, 352, 415, 440, 640, 664, 704, 830, 880, 913, 1328, 1408, 1660, 1760, 1826, 2656, 3320, 3457, 3520, 3652, 4565, 5312, 6640, 6914, 7040, 7304, 9130, 10624, 13280, 13828, 14608, 17285, 18260, 26560, 27656, 29216, 34570, 36520, 38027, 53120, 55312, 58432, 69140, 73040, 76054, 110624, 116864, 138280, 146080, 152108, 190135, 221248, 276560, 286931, 292160, 304216, 380270, 442496, 553120, 573862, 584320, 608432, 760540, 1106240, 1147724, 1216864, 1434655, 1521080, 2212480, 2295448, 2433728, 2869310, 3042160, 3156241, 4590896, 4867456, 5738620, 6084320, 6312482, 9181792, 11477240, 12168640, 12624964, 15781205, 18363584, 22954480, 24337280, 25249928, 31562410, 36727168, 45908960, 50499856, 63124820, 91817920, 100999712, 126249640, 183635840, 201999424, 252499280, 403998848, 504998560, 1009997120, 2019994240]

約数ペア:

[(1, 2019994240), (2, 1009997120), (4, 504998560), (5, 403998848), (8, 252499280), (10, 201999424), (11, 183635840), (16, 126249640), (20, 100999712), (22, 91817920), (32, 63124820), (40, 50499856), (44, 45908960), (55, 36727168), (64, 31562410), (80, 25249928), (83, 24337280), (88, 22954480), (110, 18363584), (128, 15781205), (160, 12624964), (166, 12168640), (176, 11477240), (220, 9181792), (320, 6312482), (332, 6084320), (352, 5738620), (415, 4867456), (440, 4590896), (640, 3156241), (664, 3042160), (704, 2869310), (830, 2433728), (880, 2295448), (913, 2212480), (1328, 1521080), (1408, 1434655), (1660, 1216864), (1760, 1147724), (1826, 1106240), (2656, 760540), (3320, 608432), (3457, 584320), (3520, 573862), (3652, 553120), (4565, 442496), (5312, 380270), (6640, 304216), (6914, 292160), (7040, 286931), (7304, 276560), (9130, 221248), (10624, 190135), (13280, 152108), (13828, 146080), (14608, 138280), (17285, 116864), (18260, 110624), (26560, 76054), (27656, 73040), (29216, 69140), (34570, 58432), (36520, 55312), (38027, 53120)]