520047920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{4091}}^1$

素因数の和:4338

約数の個数: 80

約数和(自身を含む): 1388268288

約数和(自身を除く): 868220368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 560, 908, 1135, 1589, 1816, 2270, 3178, 3632, 4091, 4540, 6356, 7945, 8182, 9080, 12712, 15890, 16364, 18160, 20455, 25424, 28637, 31780, 32728, 40910, 57274, 63560, 65456, 81820, 114548, 127120, 143185, 163640, 229096, 286370, 327280, 458192, 572740, 928657, 1145480, 1857314, 2290960, 3714628, 4643285, 6500599, 7429256, 9286570, 13001198, 14858512, 18573140, 26002396, 32502995, 37146280, 52004792, 65005990, 74292560, 104009584, 130011980, 260023960, 520047920]

約数ペア:

[(1, 520047920), (2, 260023960), (4, 130011980), (5, 104009584), (7, 74292560), (8, 65005990), (10, 52004792), (14, 37146280), (16, 32502995), (20, 26002396), (28, 18573140), (35, 14858512), (40, 13001198), (56, 9286570), (70, 7429256), (80, 6500599), (112, 4643285), (140, 3714628), (227, 2290960), (280, 1857314), (454, 1145480), (560, 928657), (908, 572740), (1135, 458192), (1589, 327280), (1816, 286370), (2270, 229096), (3178, 163640), (3632, 143185), (4091, 127120), (4540, 114548), (6356, 81820), (7945, 65456), (8182, 63560), (9080, 57274), (12712, 40910), (15890, 32728), (16364, 31780), (18160, 28637), (20455, 25424)]