389120770

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1\times {\mathrm{1033}}^1$

素因数の和:1450

約数の個数: 32

約数和(自身を含む): 708744960

約数和(自身を除く): 319624190

約数列:

[1, 2, 5, 10, 139, 271, 278, 542, 695, 1033, 1355, 1390, 2066, 2710, 5165, 10330, 37669, 75338, 143587, 188345, 279943, 287174, 376690, 559886, 717935, 1399715, 1435870, 2799430, 38912077, 77824154, 194560385, 389120770]

約数ペア:

[(1, 389120770), (2, 194560385), (5, 77824154), (10, 38912077), (139, 2799430), (271, 1435870), (278, 1399715), (542, 717935), (695, 559886), (1033, 376690), (1355, 287174), (1390, 279943), (2066, 188345), (2710, 143587), (5165, 75338), (10330, 37669)]