400038080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:203

約数の個数: 224

約数和(自身を含む): 1109130624

約数和(自身を除く): 709092544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 37, 40, 46, 52, 64, 65, 74, 80, 92, 104, 113, 115, 130, 148, 160, 184, 185, 208, 226, 230, 260, 296, 299, 320, 368, 370, 416, 452, 460, 481, 520, 565, 592, 598, 736, 740, 832, 851, 904, 920, 962, 1040, 1130, 1184, 1196, 1469, 1472, 1480, 1495, 1702, 1808, 1840, 1924, 2080, 2260, 2368, 2392, 2405, 2599, 2938, 2960, 2990, 3404, 3616, 3680, 3848, 4160, 4181, 4255, 4520, 4784, 4810, 5198, 5876, 5920, 5980, 6808, 7232, 7345, 7360, 7696, 8362, 8510, 9040, 9568, 9620, 10396, 11063, 11752, 11840, 11960, 12995, 13616, 14690, 15392, 16724, 17020, 18080, 19136, 19240, 20792, 20905, 22126, 23504, 23920, 25990, 27232, 29380, 30784, 33448, 33787, 34040, 36160, 38480, 41584, 41810, 44252, 47008, 47840, 51980, 54353, 54464, 55315, 58760, 66896, 67574, 68080, 76960, 83168, 83620, 88504, 94016, 95680, 96163, 103960, 108706, 110630, 117520, 133792, 135148, 136160, 153920, 166336, 167240, 168935, 177008, 192326, 207920, 217412, 221260, 235040, 267584, 270296, 271765, 272320, 334480, 337870, 354016, 384652, 415840, 434824, 442520, 470080, 480815, 540592, 543530, 668960, 675740, 708032, 769304, 831680, 869648, 885040, 961630, 1081184, 1087060, 1250119, 1337920, 1351480, 1538608, 1739296, 1770080, 1923260, 2162368, 2174120, 2500238, 2702960, 3077216, 3478592, 3540160, 3846520, 4348240, 5000476, 5405920, 6154432, 6250595, 7693040, 8696480, 10000952, 10811840, 12501190, 15386080, 17392960, 20001904, 25002380, 30772160, 40003808, 50004760, 80007616, 100009520, 200019040, 400038080]

約数ペア:

[(1, 400038080), (2, 200019040), (4, 100009520), (5, 80007616), (8, 50004760), (10, 40003808), (13, 30772160), (16, 25002380), (20, 20001904), (23, 17392960), (26, 15386080), (32, 12501190), (37, 10811840), (40, 10000952), (46, 8696480), (52, 7693040), (64, 6250595), (65, 6154432), (74, 5405920), (80, 5000476), (92, 4348240), (104, 3846520), (113, 3540160), (115, 3478592), (130, 3077216), (148, 2702960), (160, 2500238), (184, 2174120), (185, 2162368), (208, 1923260), (226, 1770080), (230, 1739296), (260, 1538608), (296, 1351480), (299, 1337920), (320, 1250119), (368, 1087060), (370, 1081184), (416, 961630), (452, 885040), (460, 869648), (481, 831680), (520, 769304), (565, 708032), (592, 675740), (598, 668960), (736, 543530), (740, 540592), (832, 480815), (851, 470080), (904, 442520), (920, 434824), (962, 415840), (1040, 384652), (1130, 354016), (1184, 337870), (1196, 334480), (1469, 272320), (1472, 271765), (1480, 270296), (1495, 267584), (1702, 235040), (1808, 221260), (1840, 217412), (1924, 207920), (2080, 192326), (2260, 177008), (2368, 168935), (2392, 167240), (2405, 166336), (2599, 153920), (2938, 136160), (2960, 135148), (2990, 133792), (3404, 117520), (3616, 110630), (3680, 108706), (3848, 103960), (4160, 96163), (4181, 95680), (4255, 94016), (4520, 88504), (4784, 83620), (4810, 83168), (5198, 76960), (5876, 68080), (5920, 67574), (5980, 66896), (6808, 58760), (7232, 55315), (7345, 54464), (7360, 54353), (7696, 51980), (8362, 47840), (8510, 47008), (9040, 44252), (9568, 41810), (9620, 41584), (10396, 38480), (11063, 36160), (11752, 34040), (11840, 33787), (11960, 33448), (12995, 30784), (13616, 29380), (14690, 27232), (15392, 25990), (16724, 23920), (17020, 23504), (18080, 22126), (19136, 20905), (19240, 20792)]