991839520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:535

約数の個数: 192

約数和(自身を含む): 2848849920

約数和(自身を除く): 1857010400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 127, 133, 140, 152, 160, 190, 224, 254, 266, 280, 304, 367, 380, 508, 532, 560, 608, 635, 665, 734, 760, 889, 1016, 1064, 1120, 1270, 1330, 1468, 1520, 1778, 1835, 2032, 2128, 2413, 2540, 2569, 2660, 2936, 3040, 3556, 3670, 4064, 4256, 4445, 4826, 5080, 5138, 5320, 5872, 6973, 7112, 7340, 8890, 9652, 10160, 10276, 10640, 11744, 12065, 12845, 13946, 14224, 14680, 16891, 17780, 19304, 20320, 20552, 21280, 24130, 25690, 27892, 28448, 29360, 33782, 34865, 35560, 38608, 41104, 46609, 48260, 48811, 51380, 55784, 58720, 67564, 69730, 71120, 77216, 82208, 84455, 93218, 96520, 97622, 102760, 111568, 135128, 139460, 142240, 168910, 186436, 193040, 195244, 205520, 223136, 233045, 244055, 270256, 278920, 326263, 337820, 372872, 386080, 390488, 411040, 466090, 488110, 540512, 557840, 652526, 675640, 745744, 780976, 885571, 932180, 976220, 1115680, 1305052, 1351280, 1491488, 1561952, 1631315, 1771142, 1864360, 1952440, 2610104, 2702560, 3262630, 3542284, 3728720, 3904880, 4427855, 5220208, 6198997, 6525260, 7084568, 7457440, 7809760, 8855710, 10440416, 12397994, 13050520, 14169136, 17711420, 24795988, 26101040, 28338272, 30994985, 35422840, 49591976, 52202080, 61989970, 70845680, 99183952, 123979940, 141691360, 198367904, 247959880, 495919760, 991839520]

約数ペア:

[(1, 991839520), (2, 495919760), (4, 247959880), (5, 198367904), (7, 141691360), (8, 123979940), (10, 99183952), (14, 70845680), (16, 61989970), (19, 52202080), (20, 49591976), (28, 35422840), (32, 30994985), (35, 28338272), (38, 26101040), (40, 24795988), (56, 17711420), (70, 14169136), (76, 13050520), (80, 12397994), (95, 10440416), (112, 8855710), (127, 7809760), (133, 7457440), (140, 7084568), (152, 6525260), (160, 6198997), (190, 5220208), (224, 4427855), (254, 3904880), (266, 3728720), (280, 3542284), (304, 3262630), (367, 2702560), (380, 2610104), (508, 1952440), (532, 1864360), (560, 1771142), (608, 1631315), (635, 1561952), (665, 1491488), (734, 1351280), (760, 1305052), (889, 1115680), (1016, 976220), (1064, 932180), (1120, 885571), (1270, 780976), (1330, 745744), (1468, 675640), (1520, 652526), (1778, 557840), (1835, 540512), (2032, 488110), (2128, 466090), (2413, 411040), (2540, 390488), (2569, 386080), (2660, 372872), (2936, 337820), (3040, 326263), (3556, 278920), (3670, 270256), (4064, 244055), (4256, 233045), (4445, 223136), (4826, 205520), (5080, 195244), (5138, 193040), (5320, 186436), (5872, 168910), (6973, 142240), (7112, 139460), (7340, 135128), (8890, 111568), (9652, 102760), (10160, 97622), (10276, 96520), (10640, 93218), (11744, 84455), (12065, 82208), (12845, 77216), (13946, 71120), (14224, 69730), (14680, 67564), (16891, 58720), (17780, 55784), (19304, 51380), (20320, 48811), (20552, 48260), (21280, 46609), (24130, 41104), (25690, 38608), (27892, 35560), (28448, 34865), (29360, 33782)]