408527660

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1\times {\mathrm{571}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 871782912

約数和(自身を除く): 463255252

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 431, 571, 830, 862, 1142, 1660, 1724, 2155, 2284, 2855, 4310, 5710, 8620, 11420, 35773, 47393, 71546, 94786, 143092, 178865, 189572, 236965, 246101, 357730, 473930, 492202, 715460, 947860, 984404, 1230505, 2461010, 4922020, 20426383, 40852766, 81705532, 102131915, 204263830, 408527660]

約数ペア:

[(1, 408527660), (2, 204263830), (4, 102131915), (5, 81705532), (10, 40852766), (20, 20426383), (83, 4922020), (166, 2461010), (332, 1230505), (415, 984404), (431, 947860), (571, 715460), (830, 492202), (862, 473930), (1142, 357730), (1660, 246101), (1724, 236965), (2155, 189572), (2284, 178865), (2855, 143092), (4310, 94786), (5710, 71546), (8620, 47393), (11420, 35773)]