408088540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{23977}}^1$

素因数の和:24046

約数の個数: 48

約数和(自身を含む): 918453312

約数和(自身を除く): 510364772

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 3404, 4255, 8510, 17020, 23977, 47954, 95908, 119885, 239770, 479540, 551471, 887149, 1102942, 1774298, 2205884, 2757355, 3548596, 4435745, 5514710, 8871490, 11029420, 17742980, 20404427, 40808854, 81617708, 102022135, 204044270, 408088540]

約数ペア:

[(1, 408088540), (2, 204044270), (4, 102022135), (5, 81617708), (10, 40808854), (20, 20404427), (23, 17742980), (37, 11029420), (46, 8871490), (74, 5514710), (92, 4435745), (115, 3548596), (148, 2757355), (185, 2205884), (230, 1774298), (370, 1102942), (460, 887149), (740, 551471), (851, 479540), (1702, 239770), (3404, 119885), (4255, 95908), (8510, 47954), (17020, 23977)]