400823552

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2971}}^1$

素因数の和:3035

約数の個数: 72

約数和(自身を含む): 874766592

約数和(自身を除く): 473943040

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 496, 527, 544, 992, 1054, 1088, 1984, 2108, 2176, 2971, 3968, 4216, 4352, 5942, 7936, 8432, 11884, 16864, 23768, 33728, 47536, 50507, 67456, 92101, 95072, 101014, 134912, 184202, 190144, 202028, 368404, 380288, 404056, 736808, 760576, 808112, 1473616, 1565717, 1616224, 2947232, 3131434, 3232448, 5894464, 6262868, 6464896, 11788928, 12525736, 12929792, 23577856, 25051472, 50102944, 100205888, 200411776, 400823552]

約数ペア:

[(1, 400823552), (2, 200411776), (4, 100205888), (8, 50102944), (16, 25051472), (17, 23577856), (31, 12929792), (32, 12525736), (34, 11788928), (62, 6464896), (64, 6262868), (68, 5894464), (124, 3232448), (128, 3131434), (136, 2947232), (248, 1616224), (256, 1565717), (272, 1473616), (496, 808112), (527, 760576), (544, 736808), (992, 404056), (1054, 380288), (1088, 368404), (1984, 202028), (2108, 190144), (2176, 184202), (2971, 134912), (3968, 101014), (4216, 95072), (4352, 92101), (5942, 67456), (7936, 50507), (8432, 47536), (11884, 33728), (16864, 23768)]