1285291.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 112285440

約数和(自身を除く): 70494680

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 37, 40, 44, 55, 68, 74, 85, 88, 110, 136, 148, 151, 170, 185, 187, 220, 296, 302, 340, 370, 374, 407, 440, 604, 629, 680, 740, 748, 755, 814, 935, 1208, 1258, 1480, 1496, 1510, 1628, 1661, 1870, 2035, 2516, 2567, 3020, 3145, 3256, 3322, 3740, 4070, 5032, 5134, 5587, 6040, 6290, 6644, 6919, 7480, 8140, 8305, 10268, 11174, 12580, 12835, 13288, 13838, 16280, 16610, 20536, 22348, 25160, 25670, 27676, 27935, 28237, 33220, 34595, 44696, 51340, 55352, 55870, 56474, 61457, 66440, 69190, 94979, 102680, 111740, 112948, 122914, 138380, 141185, 189958, 223480, 225896, 245828, 276760, 282370, 307285, 379916, 474895, 491656, 564740, 614570, 759832, 949790, 1044769, 1129480, 1229140, 1899580, 2089538, 2458280, 3799160, 4179076, 5223845, 8358152, 10447690, 20895380, 41790760]

約数ペア:

[(1, 41790760), (2, 20895380), (4, 10447690), (5, 8358152), (8, 5223845), (10, 4179076), (11, 3799160), (17, 2458280), (20, 2089538), (22, 1899580), (34, 1229140), (37, 1129480), (40, 1044769), (44, 949790), (55, 759832), (68, 614570), (74, 564740), (85, 491656), (88, 474895), (110, 379916), (136, 307285), (148, 282370), (151, 276760), (170, 245828), (185, 225896), (187, 223480), (220, 189958), (296, 141185), (302, 138380), (340, 122914), (370, 112948), (374, 111740), (407, 102680), (440, 94979), (604, 69190), (629, 66440), (680, 61457), (740, 56474), (748, 55870), (755, 55352), (814, 51340), (935, 44696), (1208, 34595), (1258, 33220), (1480, 28237), (1496, 27935), (1510, 27676), (1628, 25670), (1661, 25160), (1870, 22348), (2035, 20536), (2516, 16610), (2567, 16280), (3020, 13838), (3145, 13288), (3256, 12835), (3322, 12580), (3740, 11174), (4070, 10268), (5032, 8305), (5134, 8140), (5587, 7480), (6040, 6919), (6290, 6644)]