277207890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{859}}^1$

素因数の和:1247

約数の個数: 64

約数和(自身を含む): 689541120

約数和(自身を除く): 412333230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 347, 465, 694, 859, 930, 1041, 1718, 1735, 2082, 2577, 3470, 4295, 5154, 5205, 8590, 10410, 10757, 12885, 21514, 25770, 26629, 32271, 53258, 53785, 64542, 79887, 107570, 133145, 159774, 161355, 266290, 298073, 322710, 399435, 596146, 798870, 894219, 1490365, 1788438, 2980730, 4471095, 8942190, 9240263, 18480526, 27720789, 46201315, 55441578, 92402630, 138603945, 277207890]

約数ペア:

[(1, 277207890), (2, 138603945), (3, 92402630), (5, 55441578), (6, 46201315), (10, 27720789), (15, 18480526), (30, 9240263), (31, 8942190), (62, 4471095), (93, 2980730), (155, 1788438), (186, 1490365), (310, 894219), (347, 798870), (465, 596146), (694, 399435), (859, 322710), (930, 298073), (1041, 266290), (1718, 161355), (1735, 159774), (2082, 133145), (2577, 107570), (3470, 79887), (4295, 64542), (5154, 53785), (5205, 53258), (8590, 32271), (10410, 26629), (10757, 25770), (12885, 21514)]