201486440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{563}}^1$

素因数の和:986

約数の個数: 64

約数和(自身を含む): 475113600

約数和(自身を除く): 273627160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 389, 460, 563, 778, 920, 1126, 1556, 1945, 2252, 2815, 3112, 3890, 4504, 5630, 7780, 8947, 11260, 12949, 15560, 17894, 22520, 25898, 35788, 44735, 51796, 64745, 71576, 89470, 103592, 129490, 178940, 219007, 258980, 357880, 438014, 517960, 876028, 1095035, 1752056, 2190070, 4380140, 5037161, 8760280, 10074322, 20148644, 25185805, 40297288, 50371610, 100743220, 201486440]

約数ペア:

[(1, 201486440), (2, 100743220), (4, 50371610), (5, 40297288), (8, 25185805), (10, 20148644), (20, 10074322), (23, 8760280), (40, 5037161), (46, 4380140), (92, 2190070), (115, 1752056), (184, 1095035), (230, 876028), (389, 517960), (460, 438014), (563, 357880), (778, 258980), (920, 219007), (1126, 178940), (1556, 129490), (1945, 103592), (2252, 89470), (2815, 71576), (3112, 64745), (3890, 51796), (4504, 44735), (5630, 35788), (7780, 25898), (8947, 22520), (11260, 17894), (12949, 15560)]