208375040

素因数分解:

$2^8\times 5^1\times {\mathrm{173}}^1\times {\mathrm{941}}^1$

素因数の和:1135

約数の個数: 72

約数和(自身を含む): 502541928

約数和(自身を除く): 294166888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 320, 346, 640, 692, 865, 941, 1280, 1384, 1730, 1882, 2768, 3460, 3764, 4705, 5536, 6920, 7528, 9410, 11072, 13840, 15056, 18820, 22144, 27680, 30112, 37640, 44288, 55360, 60224, 75280, 110720, 120448, 150560, 162793, 221440, 240896, 301120, 325586, 602240, 651172, 813965, 1204480, 1302344, 1627930, 2604688, 3255860, 5209376, 6511720, 10418752, 13023440, 20837504, 26046880, 41675008, 52093760, 104187520, 208375040]

約数ペア:

[(1, 208375040), (2, 104187520), (4, 52093760), (5, 41675008), (8, 26046880), (10, 20837504), (16, 13023440), (20, 10418752), (32, 6511720), (40, 5209376), (64, 3255860), (80, 2604688), (128, 1627930), (160, 1302344), (173, 1204480), (256, 813965), (320, 651172), (346, 602240), (640, 325586), (692, 301120), (865, 240896), (941, 221440), (1280, 162793), (1384, 150560), (1730, 120448), (1882, 110720), (2768, 75280), (3460, 60224), (3764, 55360), (4705, 44288), (5536, 37640), (6920, 30112), (7528, 27680), (9410, 22144), (11072, 18820), (13840, 15056)]