2227794320

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1\times {\mathrm{569}}^1$

素因数の和:1140

約数の個数: 80

約数和(自身を含む): 5247990000

約数和(自身を除く): 3020195680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 449, 545, 569, 872, 898, 1090, 1138, 1744, 1796, 2180, 2245, 2276, 2845, 3592, 4360, 4490, 4552, 5690, 7184, 8720, 8980, 9104, 11380, 17960, 22760, 35920, 45520, 48941, 62021, 97882, 124042, 195764, 244705, 248084, 255481, 310105, 391528, 489410, 496168, 510962, 620210, 783056, 978820, 992336, 1021924, 1240420, 1277405, 1957640, 2043848, 2480840, 2554810, 3915280, 4087696, 4961680, 5109620, 10219240, 20438480, 27847429, 55694858, 111389716, 139237145, 222779432, 278474290, 445558864, 556948580, 1113897160, 2227794320]

約数ペア:

[(1, 2227794320), (2, 1113897160), (4, 556948580), (5, 445558864), (8, 278474290), (10, 222779432), (16, 139237145), (20, 111389716), (40, 55694858), (80, 27847429), (109, 20438480), (218, 10219240), (436, 5109620), (449, 4961680), (545, 4087696), (569, 3915280), (872, 2554810), (898, 2480840), (1090, 2043848), (1138, 1957640), (1744, 1277405), (1796, 1240420), (2180, 1021924), (2245, 992336), (2276, 978820), (2845, 783056), (3592, 620210), (4360, 510962), (4490, 496168), (4552, 489410), (5690, 391528), (7184, 310105), (8720, 255481), (8980, 248084), (9104, 244705), (11380, 195764), (17960, 124042), (22760, 97882), (35920, 62021), (45520, 48941)]