42042440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 111974400

約数和(自身を除く): 69931960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 47, 55, 76, 88, 94, 95, 107, 110, 152, 188, 190, 209, 214, 220, 235, 376, 380, 418, 428, 440, 470, 517, 535, 760, 836, 856, 893, 940, 1034, 1045, 1070, 1177, 1672, 1786, 1880, 2033, 2068, 2090, 2140, 2354, 2585, 3572, 4066, 4136, 4180, 4280, 4465, 4708, 5029, 5170, 5885, 7144, 8132, 8360, 8930, 9416, 9823, 10058, 10165, 10340, 11770, 16264, 17860, 19646, 20116, 20330, 20680, 22363, 23540, 25145, 35720, 39292, 40232, 40660, 44726, 47080, 49115, 50290, 55319, 78584, 81320, 89452, 95551, 98230, 100580, 110638, 111815, 178904, 191102, 196460, 201160, 221276, 223630, 276595, 382204, 392920, 442552, 447260, 477755, 553190, 764408, 894520, 955510, 1051061, 1106380, 1911020, 2102122, 2212760, 3822040, 4204244, 5255305, 8408488, 10510610, 21021220, 42042440]

約数ペア:

[(1, 42042440), (2, 21021220), (4, 10510610), (5, 8408488), (8, 5255305), (10, 4204244), (11, 3822040), (19, 2212760), (20, 2102122), (22, 1911020), (38, 1106380), (40, 1051061), (44, 955510), (47, 894520), (55, 764408), (76, 553190), (88, 477755), (94, 447260), (95, 442552), (107, 392920), (110, 382204), (152, 276595), (188, 223630), (190, 221276), (209, 201160), (214, 196460), (220, 191102), (235, 178904), (376, 111815), (380, 110638), (418, 100580), (428, 98230), (440, 95551), (470, 89452), (517, 81320), (535, 78584), (760, 55319), (836, 50290), (856, 49115), (893, 47080), (940, 44726), (1034, 40660), (1045, 40232), (1070, 39292), (1177, 35720), (1672, 25145), (1786, 23540), (1880, 22363), (2033, 20680), (2068, 20330), (2090, 20116), (2140, 19646), (2354, 17860), (2585, 16264), (3572, 11770), (4066, 10340), (4136, 10165), (4180, 10058), (4280, 9823), (4465, 9416), (4708, 8930), (5029, 8360), (5170, 8132), (5885, 7144)]