2021637640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:583

約数の個数: 128

約数和(自身を含む): 5065441920

約数和(自身を除く): 3043804280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 110, 166, 197, 220, 281, 332, 394, 415, 440, 562, 664, 788, 830, 913, 985, 1124, 1405, 1576, 1660, 1826, 1970, 2167, 2248, 2810, 3091, 3320, 3652, 3940, 4334, 4565, 5620, 6182, 7304, 7880, 8668, 9130, 10835, 11240, 12364, 15455, 16351, 17336, 18260, 21670, 23323, 24728, 30910, 32702, 36520, 43340, 46646, 55357, 61820, 65404, 81755, 86680, 93292, 110714, 116615, 123640, 130808, 163510, 179861, 186584, 221428, 233230, 256553, 276785, 327020, 359722, 442856, 466460, 513106, 553570, 608927, 654040, 719444, 899305, 932920, 1026212, 1107140, 1217854, 1282765, 1438888, 1798610, 2052424, 2214280, 2435708, 2565530, 3044635, 3597220, 4594631, 4871416, 5131060, 6089270, 7194440, 9189262, 10262120, 12178540, 18378524, 22973155, 24357080, 36757048, 45946310, 50540941, 91892620, 101081882, 183785240, 202163764, 252704705, 404327528, 505409410, 1010818820, 2021637640]

約数ペア:

[(1, 2021637640), (2, 1010818820), (4, 505409410), (5, 404327528), (8, 252704705), (10, 202163764), (11, 183785240), (20, 101081882), (22, 91892620), (40, 50540941), (44, 45946310), (55, 36757048), (83, 24357080), (88, 22973155), (110, 18378524), (166, 12178540), (197, 10262120), (220, 9189262), (281, 7194440), (332, 6089270), (394, 5131060), (415, 4871416), (440, 4594631), (562, 3597220), (664, 3044635), (788, 2565530), (830, 2435708), (913, 2214280), (985, 2052424), (1124, 1798610), (1405, 1438888), (1576, 1282765), (1660, 1217854), (1826, 1107140), (1970, 1026212), (2167, 932920), (2248, 899305), (2810, 719444), (3091, 654040), (3320, 608927), (3652, 553570), (3940, 513106), (4334, 466460), (4565, 442856), (5620, 359722), (6182, 327020), (7304, 276785), (7880, 256553), (8668, 233230), (9130, 221428), (10835, 186584), (11240, 179861), (12364, 163510), (15455, 130808), (16351, 123640), (17336, 116615), (18260, 110714), (21670, 93292), (23323, 86680), (24728, 81755), (30910, 65404), (32702, 61820), (36520, 55357), (43340, 46646)]