157215940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{23893}}^1$

素因数の和:23956

約数の個数: 48

約数和(自身を含む): 385362432

約数和(自身を除く): 228146492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 23893, 47786, 95572, 119465, 167251, 238930, 334502, 477860, 669004, 836255, 1122971, 1672510, 2245942, 3345020, 4491884, 5614855, 7860797, 11229710, 15721594, 22459420, 31443188, 39303985, 78607970, 157215940]

約数ペア:

[(1, 157215940), (2, 78607970), (4, 39303985), (5, 31443188), (7, 22459420), (10, 15721594), (14, 11229710), (20, 7860797), (28, 5614855), (35, 4491884), (47, 3345020), (70, 2245942), (94, 1672510), (140, 1122971), (188, 836255), (235, 669004), (329, 477860), (470, 334502), (658, 238930), (940, 167251), (1316, 119465), (1645, 95572), (3290, 47786), (6580, 23893)]