28209990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2521}}^1$

素因数の和:2904

約数の個数: 32

約数和(自身を含む): 67912416

約数和(自身を除く): 39702426

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 373, 746, 1119, 1865, 2238, 2521, 3730, 5042, 5595, 7563, 11190, 12605, 15126, 25210, 37815, 75630, 940333, 1880666, 2820999, 4701665, 5641998, 9403330, 14104995, 28209990]

約数ペア:

[(1, 28209990), (2, 14104995), (3, 9403330), (5, 5641998), (6, 4701665), (10, 2820999), (15, 1880666), (30, 940333), (373, 75630), (746, 37815), (1119, 25210), (1865, 15126), (2238, 12605), (2521, 11190), (3730, 7563), (5042, 5595)]