399062020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1879}}^1$

素因数の和:1973

約数の個数: 96

約数和(自身を含む): 1008161280

約数和(自身を除く): 609099260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 41, 70, 74, 82, 140, 148, 164, 185, 205, 259, 287, 370, 410, 518, 574, 740, 820, 1036, 1148, 1295, 1435, 1517, 1879, 2590, 2870, 3034, 3758, 5180, 5740, 6068, 7516, 7585, 9395, 10619, 13153, 15170, 18790, 21238, 26306, 30340, 37580, 42476, 52612, 53095, 65765, 69523, 77039, 106190, 131530, 139046, 154078, 212380, 263060, 278092, 308156, 347615, 385195, 486661, 539273, 695230, 770390, 973322, 1078546, 1390460, 1540780, 1946644, 2157092, 2433305, 2696365, 2850443, 4866610, 5392730, 5700886, 9733220, 10785460, 11401772, 14252215, 19953101, 28504430, 39906202, 57008860, 79812404, 99765505, 199531010, 399062020]

約数ペア:

[(1, 399062020), (2, 199531010), (4, 99765505), (5, 79812404), (7, 57008860), (10, 39906202), (14, 28504430), (20, 19953101), (28, 14252215), (35, 11401772), (37, 10785460), (41, 9733220), (70, 5700886), (74, 5392730), (82, 4866610), (140, 2850443), (148, 2696365), (164, 2433305), (185, 2157092), (205, 1946644), (259, 1540780), (287, 1390460), (370, 1078546), (410, 973322), (518, 770390), (574, 695230), (740, 539273), (820, 486661), (1036, 385195), (1148, 347615), (1295, 308156), (1435, 278092), (1517, 263060), (1879, 212380), (2590, 154078), (2870, 139046), (3034, 131530), (3758, 106190), (5180, 77039), (5740, 69523), (6068, 65765), (7516, 53095), (7585, 52612), (9395, 42476), (10619, 37580), (13153, 30340), (15170, 26306), (18790, 21238)]