57720005

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 89510400

約数和(自身を除く): 31790395

約数列:

[1, 5, 7, 19, 29, 35, 41, 73, 95, 133, 145, 203, 205, 287, 365, 511, 551, 665, 779, 1015, 1189, 1387, 1435, 2117, 2555, 2755, 2993, 3857, 3895, 5453, 5945, 6935, 8323, 9709, 10585, 14819, 14965, 19285, 20951, 22591, 27265, 40223, 41615, 48545, 56867, 74095, 86797, 104755, 112955, 158137, 201115, 281561, 284335, 398069, 433985, 607579, 790685, 1407805, 1649143, 1990345, 3037895, 8245715, 11544001, 57720005]

約数ペア:

[(1, 57720005), (5, 11544001), (7, 8245715), (19, 3037895), (29, 1990345), (35, 1649143), (41, 1407805), (73, 790685), (95, 607579), (133, 433985), (145, 398069), (203, 284335), (205, 281561), (287, 201115), (365, 158137), (511, 112955), (551, 104755), (665, 86797), (779, 74095), (1015, 56867), (1189, 48545), (1387, 41615), (1435, 40223), (2117, 27265), (2555, 22591), (2755, 20951), (2993, 19285), (3857, 14965), (3895, 14819), (5453, 10585), (5945, 9709), (6935, 8323)]