394904040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1279}}^1$

素因数の和:1407

約数の個数: 128

約数和(自身を含む): 1238630400

約数和(自身を除く): 843726360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 83, 93, 120, 124, 155, 166, 186, 248, 249, 310, 332, 372, 415, 465, 498, 620, 664, 744, 830, 930, 996, 1240, 1245, 1279, 1660, 1860, 1992, 2490, 2558, 2573, 3320, 3720, 3837, 4980, 5116, 5146, 6395, 7674, 7719, 9960, 10232, 10292, 12790, 12865, 15348, 15438, 19185, 20584, 25580, 25730, 30696, 30876, 38370, 38595, 39649, 51160, 51460, 61752, 76740, 77190, 79298, 102920, 106157, 118947, 153480, 154380, 158596, 198245, 212314, 237894, 308760, 317192, 318471, 396490, 424628, 475788, 530785, 594735, 636942, 792980, 849256, 951576, 1061570, 1189470, 1273884, 1585960, 1592355, 2123140, 2378940, 2547768, 3184710, 3290867, 4246280, 4757880, 6369420, 6581734, 9872601, 12738840, 13163468, 16454335, 19745202, 26326936, 32908670, 39490404, 49363005, 65817340, 78980808, 98726010, 131634680, 197452020, 394904040]

約数ペア:

[(1, 394904040), (2, 197452020), (3, 131634680), (4, 98726010), (5, 78980808), (6, 65817340), (8, 49363005), (10, 39490404), (12, 32908670), (15, 26326936), (20, 19745202), (24, 16454335), (30, 13163468), (31, 12738840), (40, 9872601), (60, 6581734), (62, 6369420), (83, 4757880), (93, 4246280), (120, 3290867), (124, 3184710), (155, 2547768), (166, 2378940), (186, 2123140), (248, 1592355), (249, 1585960), (310, 1273884), (332, 1189470), (372, 1061570), (415, 951576), (465, 849256), (498, 792980), (620, 636942), (664, 594735), (744, 530785), (830, 475788), (930, 424628), (996, 396490), (1240, 318471), (1245, 317192), (1279, 308760), (1660, 237894), (1860, 212314), (1992, 198245), (2490, 158596), (2558, 154380), (2573, 153480), (3320, 118947), (3720, 106157), (3837, 102920), (4980, 79298), (5116, 77190), (5146, 76740), (6395, 61752), (7674, 51460), (7719, 51160), (9960, 39649), (10232, 38595), (10292, 38370), (12790, 30876), (12865, 30696), (15348, 25730), (15438, 25580), (19185, 20584)]