201220540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1\times {\mathrm{383}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 429327360

約数和(自身を除く): 228106820

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 241, 383, 436, 482, 545, 766, 964, 1090, 1205, 1532, 1915, 2180, 2410, 3830, 4820, 7660, 26269, 41747, 52538, 83494, 92303, 105076, 131345, 166988, 184606, 208735, 262690, 369212, 417470, 461515, 525380, 834940, 923030, 1846060, 10061027, 20122054, 40244108, 50305135, 100610270, 201220540]

約数ペア:

[(1, 201220540), (2, 100610270), (4, 50305135), (5, 40244108), (10, 20122054), (20, 10061027), (109, 1846060), (218, 923030), (241, 834940), (383, 525380), (436, 461515), (482, 417470), (545, 369212), (766, 262690), (964, 208735), (1090, 184606), (1205, 166988), (1532, 131345), (1915, 105076), (2180, 92303), (2410, 83494), (3830, 52538), (4820, 41747), (7660, 26269)]