348475720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{911}}^1$

素因数の和:1126

約数の個数: 64

約数和(自身を含む): 801757440

約数和(自身を除く): 453281720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 131, 146, 262, 292, 365, 524, 584, 655, 730, 911, 1048, 1310, 1460, 1822, 2620, 2920, 3644, 4555, 5240, 7288, 9110, 9563, 18220, 19126, 36440, 38252, 47815, 66503, 76504, 95630, 119341, 133006, 191260, 238682, 266012, 332515, 382520, 477364, 532024, 596705, 665030, 954728, 1193410, 1330060, 2386820, 2660120, 4773640, 8711893, 17423786, 34847572, 43559465, 69695144, 87118930, 174237860, 348475720]

約数ペア:

[(1, 348475720), (2, 174237860), (4, 87118930), (5, 69695144), (8, 43559465), (10, 34847572), (20, 17423786), (40, 8711893), (73, 4773640), (131, 2660120), (146, 2386820), (262, 1330060), (292, 1193410), (365, 954728), (524, 665030), (584, 596705), (655, 532024), (730, 477364), (911, 382520), (1048, 332515), (1310, 266012), (1460, 238682), (1822, 191260), (2620, 133006), (2920, 119341), (3644, 95630), (4555, 76504), (5240, 66503), (7288, 47815), (9110, 38252), (9563, 36440), (18220, 19126)]