420917504

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7577}}^1$

素因数の和:7631

約数の個数: 72

約数和(自身を含む): 991323648

約数和(自身を除く): 570406144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1736, 1792, 1984, 3472, 3968, 6944, 7577, 7936, 13888, 15154, 27776, 30308, 53039, 55552, 60616, 106078, 121232, 212156, 234887, 242464, 424312, 469774, 484928, 848624, 939548, 969856, 1644209, 1697248, 1879096, 1939712, 3288418, 3394496, 3758192, 6576836, 6788992, 7516384, 13153672, 13577984, 15032768, 26307344, 30065536, 52614688, 60131072, 105229376, 210458752, 420917504]

約数ペア:

[(1, 420917504), (2, 210458752), (4, 105229376), (7, 60131072), (8, 52614688), (14, 30065536), (16, 26307344), (28, 15032768), (31, 13577984), (32, 13153672), (56, 7516384), (62, 6788992), (64, 6576836), (112, 3758192), (124, 3394496), (128, 3288418), (217, 1939712), (224, 1879096), (248, 1697248), (256, 1644209), (434, 969856), (448, 939548), (496, 848624), (868, 484928), (896, 469774), (992, 424312), (1736, 242464), (1792, 234887), (1984, 212156), (3472, 121232), (3968, 106078), (6944, 60616), (7577, 55552), (7936, 53039), (13888, 30308), (15154, 27776)]