About the Number

1999830

1999829 ← → 1999831

2進数表記:111101000001111010110

漢数字表記:百九十九万九千八百三十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 89 1 × 107 1

素因数の和:213
約数の個数: 64
約数和(自身を含む): 5598720
約数和(自身を除く): 3598890

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 107, 178, 210, 214, 267, 321, 445, 534, 535, 623, 642, 749, 890, 1070, 1246, 1335, 1498, 1605, 1869, 2247, 2670, 3115, 3210, 3738, 3745, 4494, 6230, 7490, 9345, 9523, 11235, 18690, 19046, 22470, 28569, 47615, 57138, 66661, 95230, 133322, 142845, 199983, 285690, 333305, 399966, 666610, 999915, 1999830]

約数ペア:
[(1, 1999830), (2, 999915), (3, 666610), (5, 399966), (6, 333305), (7, 285690), (10, 199983), (14, 142845), (15, 133322), (21, 95230), (30, 66661), (35, 57138), (42, 47615), (70, 28569), (89, 22470), (105, 19046), (107, 18690), (178, 11235), (210, 9523), (214, 9345), (267, 7490), (321, 6230), (445, 4494), (534, 3745), (535, 3738), (623, 3210), (642, 3115), (749, 2670), (890, 2247), (1070, 1869), (1246, 1605), (1335, 1498)]

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