633756860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{257}}^1\times {\mathrm{1019}}^1$

素因数の和:1307

約数の個数: 72

約数和(自身を含む): 1470011760

約数和(自身を除く): 836254900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 257, 484, 514, 605, 1019, 1028, 1210, 1285, 2038, 2420, 2570, 2827, 4076, 5095, 5140, 5654, 10190, 11209, 11308, 14135, 20380, 22418, 28270, 31097, 44836, 56045, 56540, 62194, 112090, 123299, 124388, 155485, 224180, 246598, 261883, 310970, 493196, 523766, 616495, 621940, 1047532, 1232990, 1309415, 2465980, 2618830, 2880713, 5237660, 5761426, 11522852, 14403565, 28807130, 31687843, 57614260, 63375686, 126751372, 158439215, 316878430, 633756860]

約数ペア:

[(1, 633756860), (2, 316878430), (4, 158439215), (5, 126751372), (10, 63375686), (11, 57614260), (20, 31687843), (22, 28807130), (44, 14403565), (55, 11522852), (110, 5761426), (121, 5237660), (220, 2880713), (242, 2618830), (257, 2465980), (484, 1309415), (514, 1232990), (605, 1047532), (1019, 621940), (1028, 616495), (1210, 523766), (1285, 493196), (2038, 310970), (2420, 261883), (2570, 246598), (2827, 224180), (4076, 155485), (5095, 124388), (5140, 123299), (5654, 112090), (10190, 62194), (11209, 56540), (11308, 56045), (14135, 44836), (20380, 31097), (22418, 28270)]