2077890980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{1187}}^1$

素因数の和:1389

約数の個数: 96

約数和(自身を含む): 4873841280

約数和(自身を除く): 2795950300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 109, 110, 146, 218, 220, 292, 365, 436, 545, 730, 803, 1090, 1187, 1199, 1460, 1606, 2180, 2374, 2398, 3212, 4015, 4748, 4796, 5935, 5995, 7957, 8030, 11870, 11990, 13057, 15914, 16060, 23740, 23980, 26114, 31828, 39785, 52228, 65285, 79570, 86651, 87527, 129383, 130570, 159140, 173302, 175054, 258766, 261140, 346604, 350108, 433255, 437635, 517532, 646915, 866510, 875270, 953161, 1293830, 1423213, 1733020, 1750540, 1906322, 2587660, 2846426, 3812644, 4765805, 5692852, 7116065, 9444959, 9531610, 14232130, 18889918, 19063220, 28464260, 37779836, 47224795, 94449590, 103894549, 188899180, 207789098, 415578196, 519472745, 1038945490, 2077890980]

約数ペア:

[(1, 2077890980), (2, 1038945490), (4, 519472745), (5, 415578196), (10, 207789098), (11, 188899180), (20, 103894549), (22, 94449590), (44, 47224795), (55, 37779836), (73, 28464260), (109, 19063220), (110, 18889918), (146, 14232130), (218, 9531610), (220, 9444959), (292, 7116065), (365, 5692852), (436, 4765805), (545, 3812644), (730, 2846426), (803, 2587660), (1090, 1906322), (1187, 1750540), (1199, 1733020), (1460, 1423213), (1606, 1293830), (2180, 953161), (2374, 875270), (2398, 866510), (3212, 646915), (4015, 517532), (4748, 437635), (4796, 433255), (5935, 350108), (5995, 346604), (7957, 261140), (8030, 258766), (11870, 175054), (11990, 173302), (13057, 159140), (15914, 130570), (16060, 129383), (23740, 87527), (23980, 86651), (26114, 79570), (31828, 65285), (39785, 52228)]