30213880

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1993}}^1$

素因数の和:2383

約数の個数: 32

約数和(自身を含む): 68194800

約数和(自身を除く): 37980920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 1993, 3032, 3790, 3986, 7580, 7972, 9965, 15160, 15944, 19930, 39860, 79720, 755347, 1510694, 3021388, 3776735, 6042776, 7553470, 15106940, 30213880]

約数ペア:

[(1, 30213880), (2, 15106940), (4, 7553470), (5, 6042776), (8, 3776735), (10, 3021388), (20, 1510694), (40, 755347), (379, 79720), (758, 39860), (1516, 19930), (1895, 15944), (1993, 15160), (3032, 9965), (3790, 7972), (3986, 7580)]