538201720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:965

約数の個数: 128

約数和(自身を含む): 1451520000

約数和(自身を除く): 913318280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 79, 116, 140, 145, 158, 203, 232, 280, 290, 316, 395, 406, 553, 580, 632, 790, 812, 839, 1015, 1106, 1160, 1580, 1624, 1678, 2030, 2212, 2291, 2765, 3160, 3356, 4060, 4195, 4424, 4582, 5530, 5873, 6712, 8120, 8390, 9164, 11060, 11455, 11746, 16037, 16780, 18328, 22120, 22910, 23492, 24331, 29365, 32074, 33560, 45820, 46984, 48662, 58730, 64148, 66281, 80185, 91640, 97324, 117460, 121655, 128296, 132562, 160370, 170317, 194648, 234920, 243310, 265124, 320740, 331405, 340634, 463967, 486620, 530248, 641480, 662810, 681268, 851585, 927934, 973240, 1325620, 1362536, 1703170, 1855868, 1922149, 2319835, 2651240, 3406340, 3711736, 3844298, 4639670, 6812680, 7688596, 9279340, 9610745, 13455043, 15377192, 18558680, 19221490, 26910086, 38442980, 53820172, 67275215, 76885960, 107640344, 134550430, 269100860, 538201720]

約数ペア:

[(1, 538201720), (2, 269100860), (4, 134550430), (5, 107640344), (7, 76885960), (8, 67275215), (10, 53820172), (14, 38442980), (20, 26910086), (28, 19221490), (29, 18558680), (35, 15377192), (40, 13455043), (56, 9610745), (58, 9279340), (70, 7688596), (79, 6812680), (116, 4639670), (140, 3844298), (145, 3711736), (158, 3406340), (203, 2651240), (232, 2319835), (280, 1922149), (290, 1855868), (316, 1703170), (395, 1362536), (406, 1325620), (553, 973240), (580, 927934), (632, 851585), (790, 681268), (812, 662810), (839, 641480), (1015, 530248), (1106, 486620), (1160, 463967), (1580, 340634), (1624, 331405), (1678, 320740), (2030, 265124), (2212, 243310), (2291, 234920), (2765, 194648), (3160, 170317), (3356, 160370), (4060, 132562), (4195, 128296), (4424, 121655), (4582, 117460), (5530, 97324), (5873, 91640), (6712, 80185), (8120, 66281), (8390, 64148), (9164, 58730), (11060, 48662), (11455, 46984), (11746, 45820), (16037, 33560), (16780, 32074), (18328, 29365), (22120, 24331), (22910, 23492)]