208029520

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:1028

約数の個数: 80

約数和(自身を含む): 502610688

約数和(自身を除く): 294581168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 61, 80, 94, 122, 188, 235, 244, 305, 376, 470, 488, 610, 752, 907, 940, 976, 1220, 1814, 1880, 2440, 2867, 3628, 3760, 4535, 4880, 5734, 7256, 9070, 11468, 14335, 14512, 18140, 22936, 28670, 36280, 42629, 45872, 55327, 57340, 72560, 85258, 110654, 114680, 170516, 213145, 221308, 229360, 276635, 341032, 426290, 442616, 553270, 682064, 852580, 885232, 1106540, 1705160, 2213080, 2600369, 3410320, 4426160, 5200738, 10401476, 13001845, 20802952, 26003690, 41605904, 52007380, 104014760, 208029520]

約数ペア:

[(1, 208029520), (2, 104014760), (4, 52007380), (5, 41605904), (8, 26003690), (10, 20802952), (16, 13001845), (20, 10401476), (40, 5200738), (47, 4426160), (61, 3410320), (80, 2600369), (94, 2213080), (122, 1705160), (188, 1106540), (235, 885232), (244, 852580), (305, 682064), (376, 553270), (470, 442616), (488, 426290), (610, 341032), (752, 276635), (907, 229360), (940, 221308), (976, 213145), (1220, 170516), (1814, 114680), (1880, 110654), (2440, 85258), (2867, 72560), (3628, 57340), (3760, 55327), (4535, 45872), (4880, 42629), (5734, 36280), (7256, 28670), (9070, 22936), (11468, 18140), (14335, 14512)]