340495870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{238109}}^1$

素因数の和:238140

約数の個数: 32

約数和(自身を含む): 720044640

約数和(自身を除く): 379548770

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 238109, 476218, 1190545, 2381090, 2619199, 3095417, 5238398, 6190834, 13095995, 15477085, 26191990, 30954170, 34049587, 68099174, 170247935, 340495870]

約数ペア:

[(1, 340495870), (2, 170247935), (5, 68099174), (10, 34049587), (11, 30954170), (13, 26191990), (22, 15477085), (26, 13095995), (55, 6190834), (65, 5238398), (110, 3095417), (130, 2619199), (143, 2381090), (286, 1190545), (715, 476218), (1430, 238109)]