858368920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 2092055040

約数和(自身を除く): 1233686120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 53, 62, 74, 106, 124, 148, 155, 185, 212, 248, 265, 296, 310, 353, 370, 424, 530, 620, 706, 740, 1060, 1147, 1240, 1412, 1480, 1643, 1765, 1961, 2120, 2294, 2824, 3286, 3530, 3922, 4588, 5735, 6572, 7060, 7844, 8215, 9176, 9805, 10943, 11470, 13061, 13144, 14120, 15688, 16430, 18709, 19610, 21886, 22940, 26122, 32860, 37418, 39220, 43772, 45880, 52244, 54715, 60791, 65305, 65720, 74836, 78440, 87544, 93545, 104488, 109430, 121582, 130610, 149672, 187090, 218860, 243164, 261220, 303955, 374180, 404891, 437720, 486328, 522440, 579979, 607910, 692233, 748360, 809782, 1159958, 1215820, 1384466, 1619564, 2024455, 2319916, 2431640, 2768932, 2899895, 3239128, 3461165, 4048910, 4639832, 5537864, 5799790, 6922330, 8097820, 11599580, 13844660, 16195640, 21459223, 23199160, 27689320, 42918446, 85836892, 107296115, 171673784, 214592230, 429184460, 858368920]

約数ペア:

[(1, 858368920), (2, 429184460), (4, 214592230), (5, 171673784), (8, 107296115), (10, 85836892), (20, 42918446), (31, 27689320), (37, 23199160), (40, 21459223), (53, 16195640), (62, 13844660), (74, 11599580), (106, 8097820), (124, 6922330), (148, 5799790), (155, 5537864), (185, 4639832), (212, 4048910), (248, 3461165), (265, 3239128), (296, 2899895), (310, 2768932), (353, 2431640), (370, 2319916), (424, 2024455), (530, 1619564), (620, 1384466), (706, 1215820), (740, 1159958), (1060, 809782), (1147, 748360), (1240, 692233), (1412, 607910), (1480, 579979), (1643, 522440), (1765, 486328), (1961, 437720), (2120, 404891), (2294, 374180), (2824, 303955), (3286, 261220), (3530, 243164), (3922, 218860), (4588, 187090), (5735, 149672), (6572, 130610), (7060, 121582), (7844, 109430), (8215, 104488), (9176, 93545), (9805, 87544), (10943, 78440), (11470, 74836), (13061, 65720), (13144, 65305), (14120, 60791), (15688, 54715), (16430, 52244), (18709, 45880), (19610, 43772), (21886, 39220), (22940, 37418), (26122, 32860)]