619970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 1270080

約数和(自身を除く): 650110

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 251, 494, 502, 1235, 1255, 2470, 2510, 3263, 4769, 6526, 9538, 16315, 23845, 32630, 47690, 61997, 123994, 309985, 619970]

約数ペア:

[(1, 619970), (2, 309985), (5, 123994), (10, 61997), (13, 47690), (19, 32630), (26, 23845), (38, 16315), (65, 9538), (95, 6526), (130, 4769), (190, 3263), (247, 2510), (251, 2470), (494, 1255), (502, 1235)]