About the Number

1999271490

1999271489 ← → 1999271491

2進数表記:1110111001010100111011001000010

漢数字表記:十九億九千九百二十七万千四百九十

素因数分解:

2 1 × 3 1 × 5 1 × 191 1 × 383 1 × 911 1

素因数の和:1495
約数の個数: 64
約数和(自身を含む): 4841275392
約数和(自身を除く): 2842003902

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 191, 382, 383, 573, 766, 911, 955, 1146, 1149, 1822, 1910, 1915, 2298, 2733, 2865, 3830, 4555, 5466, 5730, 5745, 9110, 11490, 13665, 27330, 73153, 146306, 174001, 219459, 348002, 348913, 365765, 438918, 522003, 697826, 731530, 870005, 1044006, 1046739, 1097295, 1740010, 1744565, 2093478, 2194590, 2610015, 3489130, 5220030, 5233695, 10467390, 66642383, 133284766, 199927149, 333211915, 399854298, 666423830, 999635745, 1999271490]

約数ペア:
[(1, 1999271490), (2, 999635745), (3, 666423830), (5, 399854298), (6, 333211915), (10, 199927149), (15, 133284766), (30, 66642383), (191, 10467390), (382, 5233695), (383, 5220030), (573, 3489130), (766, 2610015), (911, 2194590), (955, 2093478), (1146, 1744565), (1149, 1740010), (1822, 1097295), (1910, 1046739), (1915, 1044006), (2298, 870005), (2733, 731530), (2865, 697826), (3830, 522003), (4555, 438918), (5466, 365765), (5730, 348913), (5745, 348002), (9110, 219459), (11490, 174001), (13665, 146306), (27330, 73153)]

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