68355140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1399}}^1$

素因数の和:1764

約数の個数: 48

約数和(自身を含む): 164640000

約数和(自身を除く): 96284860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 349, 698, 1396, 1399, 1745, 2443, 2798, 3490, 4886, 5596, 6980, 6995, 9772, 9793, 12215, 13990, 19586, 24430, 27980, 39172, 48860, 48965, 97930, 195860, 488251, 976502, 1953004, 2441255, 3417757, 4882510, 6835514, 9765020, 13671028, 17088785, 34177570, 68355140]

約数ペア:

[(1, 68355140), (2, 34177570), (4, 17088785), (5, 13671028), (7, 9765020), (10, 6835514), (14, 4882510), (20, 3417757), (28, 2441255), (35, 1953004), (70, 976502), (140, 488251), (349, 195860), (698, 97930), (1396, 48965), (1399, 48860), (1745, 39172), (2443, 27980), (2798, 24430), (3490, 19586), (4886, 13990), (5596, 12215), (6980, 9793), (6995, 9772)]