394710016

素因数分解:

$2^{10}\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:241

約数の個数: 88

約数和(自身を含む): 822402720

約数和(自身を除く): 427692704

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 71, 89, 122, 128, 142, 178, 244, 256, 284, 356, 488, 512, 568, 712, 976, 1024, 1136, 1424, 1952, 2272, 2848, 3904, 4331, 4544, 5429, 5696, 6319, 7808, 8662, 9088, 10858, 11392, 12638, 15616, 17324, 18176, 21716, 22784, 25276, 31232, 34648, 36352, 43432, 45568, 50552, 62464, 69296, 72704, 86864, 91136, 101104, 138592, 173728, 202208, 277184, 347456, 385459, 404416, 554368, 694912, 770918, 808832, 1108736, 1389824, 1541836, 1617664, 2217472, 2779648, 3083672, 3235328, 4434944, 5559296, 6167344, 6470656, 12334688, 24669376, 49338752, 98677504, 197355008, 394710016]

約数ペア:

[(1, 394710016), (2, 197355008), (4, 98677504), (8, 49338752), (16, 24669376), (32, 12334688), (61, 6470656), (64, 6167344), (71, 5559296), (89, 4434944), (122, 3235328), (128, 3083672), (142, 2779648), (178, 2217472), (244, 1617664), (256, 1541836), (284, 1389824), (356, 1108736), (488, 808832), (512, 770918), (568, 694912), (712, 554368), (976, 404416), (1024, 385459), (1136, 347456), (1424, 277184), (1952, 202208), (2272, 173728), (2848, 138592), (3904, 101104), (4331, 91136), (4544, 86864), (5429, 72704), (5696, 69296), (6319, 62464), (7808, 50552), (8662, 45568), (9088, 43432), (10858, 36352), (11392, 34648), (12638, 31232), (15616, 25276), (17324, 22784), (18176, 21716)]