221768380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{15773}}^1$

素因数の和:15838

約数の個数: 48

約数和(自身を含む): 503506080

約数和(自身を除く): 281737700

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 7030, 14060, 15773, 31546, 63092, 78865, 157730, 299687, 315460, 583601, 599374, 1167202, 1198748, 1498435, 2334404, 2918005, 2996870, 5836010, 5993740, 11088419, 11672020, 22176838, 44353676, 55442095, 110884190, 221768380]

約数ペア:

[(1, 221768380), (2, 110884190), (4, 55442095), (5, 44353676), (10, 22176838), (19, 11672020), (20, 11088419), (37, 5993740), (38, 5836010), (74, 2996870), (76, 2918005), (95, 2334404), (148, 1498435), (185, 1198748), (190, 1167202), (370, 599374), (380, 583601), (703, 315460), (740, 299687), (1406, 157730), (2812, 78865), (3515, 63092), (7030, 31546), (14060, 15773)]