7731450440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{10223}}^1$

素因数の和:10351

約数の個数: 128

約数和(自身を含む): 20699919360

約数和(自身を除く): 12968468920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 73, 74, 140, 146, 148, 185, 259, 280, 292, 296, 365, 370, 511, 518, 584, 730, 740, 1022, 1036, 1295, 1460, 1480, 2044, 2072, 2555, 2590, 2701, 2920, 4088, 5110, 5180, 5402, 10220, 10223, 10360, 10804, 13505, 18907, 20440, 20446, 21608, 27010, 37814, 40892, 51115, 54020, 71561, 75628, 81784, 94535, 102230, 108040, 143122, 151256, 189070, 204460, 286244, 357805, 378140, 378251, 408920, 572488, 715610, 746279, 756280, 756502, 1431220, 1492558, 1513004, 1891255, 2647757, 2862440, 2985116, 3026008, 3731395, 3782510, 5223953, 5295514, 5970232, 7462790, 7565020, 10447906, 10591028, 13238785, 14925580, 15130040, 20895812, 21182056, 26119765, 26477570, 27612323, 29851160, 41791624, 52239530, 52955140, 55224646, 104479060, 105910280, 110449292, 138061615, 193286261, 208958120, 220898584, 276123230, 386572522, 552246460, 773145044, 966431305, 1104492920, 1546290088, 1932862610, 3865725220, 7731450440]

約数ペア:

[(1, 7731450440), (2, 3865725220), (4, 1932862610), (5, 1546290088), (7, 1104492920), (8, 966431305), (10, 773145044), (14, 552246460), (20, 386572522), (28, 276123230), (35, 220898584), (37, 208958120), (40, 193286261), (56, 138061615), (70, 110449292), (73, 105910280), (74, 104479060), (140, 55224646), (146, 52955140), (148, 52239530), (185, 41791624), (259, 29851160), (280, 27612323), (292, 26477570), (296, 26119765), (365, 21182056), (370, 20895812), (511, 15130040), (518, 14925580), (584, 13238785), (730, 10591028), (740, 10447906), (1022, 7565020), (1036, 7462790), (1295, 5970232), (1460, 5295514), (1480, 5223953), (2044, 3782510), (2072, 3731395), (2555, 3026008), (2590, 2985116), (2701, 2862440), (2920, 2647757), (4088, 1891255), (5110, 1513004), (5180, 1492558), (5402, 1431220), (10220, 756502), (10223, 756280), (10360, 746279), (10804, 715610), (13505, 572488), (18907, 408920), (20440, 378251), (20446, 378140), (21608, 357805), (27010, 286244), (37814, 204460), (40892, 189070), (51115, 151256), (54020, 143122), (71561, 108040), (75628, 102230), (81784, 94535)]