197985204520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5471}}^1\times {\mathrm{19249}}^1$

素因数の和:24778

約数の個数: 64

約数和(自身を含む): 455051520000

約数和(自身を除く): 257066315480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 5471, 10942, 19249, 21884, 27355, 38498, 43768, 54710, 76996, 96245, 109420, 153992, 192490, 218840, 257137, 384980, 514274, 769960, 904703, 1028548, 1285685, 1809406, 2057096, 2571370, 3618812, 4523515, 5142740, 7237624, 9047030, 10285480, 18094060, 36188120, 105311279, 210622558, 421245116, 526556395, 842490232, 1053112790, 2106225580, 4212451160, 4949630113, 9899260226, 19798520452, 24748150565, 39597040904, 49496301130, 98992602260, 197985204520]

約数ペア:

[(1, 197985204520), (2, 98992602260), (4, 49496301130), (5, 39597040904), (8, 24748150565), (10, 19798520452), (20, 9899260226), (40, 4949630113), (47, 4212451160), (94, 2106225580), (188, 1053112790), (235, 842490232), (376, 526556395), (470, 421245116), (940, 210622558), (1880, 105311279), (5471, 36188120), (10942, 18094060), (19249, 10285480), (21884, 9047030), (27355, 7237624), (38498, 5142740), (43768, 4523515), (54710, 3618812), (76996, 2571370), (96245, 2057096), (109420, 1809406), (153992, 1285685), (192490, 1028548), (218840, 904703), (257137, 769960), (384980, 514274)]