181801880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18401}}^1$

素因数の和:18444

約数の個数: 64

約数和(自身を含む): 463730400

約数和(自身を除く): 281928520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 18401, 36802, 73604, 92005, 147208, 184010, 239213, 349619, 368020, 478426, 699238, 736040, 956852, 1196065, 1398476, 1748095, 1913704, 2392130, 2796952, 3496190, 4545047, 4784260, 6992380, 9090094, 9568520, 13984760, 18180188, 22725235, 36360376, 45450470, 90900940, 181801880]

約数ペア:

[(1, 181801880), (2, 90900940), (4, 45450470), (5, 36360376), (8, 22725235), (10, 18180188), (13, 13984760), (19, 9568520), (20, 9090094), (26, 6992380), (38, 4784260), (40, 4545047), (52, 3496190), (65, 2796952), (76, 2392130), (95, 1913704), (104, 1748095), (130, 1398476), (152, 1196065), (190, 956852), (247, 736040), (260, 699238), (380, 478426), (494, 368020), (520, 349619), (760, 239213), (988, 184010), (1235, 147208), (1976, 92005), (2470, 73604), (4940, 36802), (9880, 18401)]