339160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 781200

約数和(自身を除く): 442040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 139, 244, 278, 305, 488, 556, 610, 695, 1112, 1220, 1390, 2440, 2780, 5560, 8479, 16958, 33916, 42395, 67832, 84790, 169580, 339160]

約数ペア:

[(1, 339160), (2, 169580), (4, 84790), (5, 67832), (8, 42395), (10, 33916), (20, 16958), (40, 8479), (61, 5560), (122, 2780), (139, 2440), (244, 1390), (278, 1220), (305, 1112), (488, 695), (556, 610)]