420163072

素因数分解:

$2^9\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1987}}^1$

素因数の和:2071

約数の個数: 80

約数和(自身を含む): 976187520

約数和(自身を除く): 556024448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 64, 112, 118, 128, 224, 236, 256, 413, 448, 472, 512, 826, 896, 944, 1652, 1792, 1888, 1987, 3304, 3584, 3776, 3974, 6608, 7552, 7948, 13216, 13909, 15104, 15896, 26432, 27818, 30208, 31792, 52864, 55636, 63584, 105728, 111272, 117233, 127168, 211456, 222544, 234466, 254336, 445088, 468932, 508672, 820631, 890176, 937864, 1017344, 1641262, 1780352, 1875728, 3282524, 3560704, 3751456, 6565048, 7121408, 7502912, 13130096, 15005824, 26260192, 30011648, 52520384, 60023296, 105040768, 210081536, 420163072]

約数ペア:

[(1, 420163072), (2, 210081536), (4, 105040768), (7, 60023296), (8, 52520384), (14, 30011648), (16, 26260192), (28, 15005824), (32, 13130096), (56, 7502912), (59, 7121408), (64, 6565048), (112, 3751456), (118, 3560704), (128, 3282524), (224, 1875728), (236, 1780352), (256, 1641262), (413, 1017344), (448, 937864), (472, 890176), (512, 820631), (826, 508672), (896, 468932), (944, 445088), (1652, 254336), (1792, 234466), (1888, 222544), (1987, 211456), (3304, 127168), (3584, 117233), (3776, 111272), (3974, 105728), (6608, 63584), (7552, 55636), (7948, 52864), (13216, 31792), (13909, 30208), (15104, 27818), (15896, 26432)]