2100031905

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{1399}}^1$

素因数の和:1678

約数の個数: 64

約数和(自身を含む): 3709440000

約数和(自身を除く): 1609408095

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 229, 285, 345, 437, 687, 1145, 1311, 1399, 2185, 3435, 4197, 4351, 5267, 6555, 6995, 13053, 15801, 20985, 21755, 26335, 26581, 32177, 65265, 79005, 79743, 96531, 100073, 132905, 160885, 300219, 320371, 398715, 482655, 500365, 611363, 961113, 1501095, 1601855, 1834089, 3056815, 4805565, 6087049, 7368533, 9170445, 18261147, 22105599, 30435245, 36842665, 91305735, 110527995, 140002127, 420006381, 700010635, 2100031905]

約数ペア:

[(1, 2100031905), (3, 700010635), (5, 420006381), (15, 140002127), (19, 110527995), (23, 91305735), (57, 36842665), (69, 30435245), (95, 22105599), (115, 18261147), (229, 9170445), (285, 7368533), (345, 6087049), (437, 4805565), (687, 3056815), (1145, 1834089), (1311, 1601855), (1399, 1501095), (2185, 961113), (3435, 611363), (4197, 500365), (4351, 482655), (5267, 398715), (6555, 320371), (6995, 300219), (13053, 160885), (15801, 132905), (20985, 100073), (21755, 96531), (26335, 79743), (26581, 79005), (32177, 65265)]