About the Number

212021880

212021879 ← → 212021881

2進数表記:1100101000110011001001111000

漢数字表記:二億千二百二万千八百八十

素因数分解:

2 3 × 3 1 × 5 1 × 7 1 × 173 1 × 1459 1

素因数の和:1653
約数の個数: 128
約数和(自身を含む): 731635200
約数和(自身を除く): 519613320

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 173, 210, 280, 346, 420, 519, 692, 840, 865, 1038, 1211, 1384, 1459, 1730, 2076, 2422, 2595, 2918, 3460, 3633, 4152, 4377, 4844, 5190, 5836, 6055, 6920, 7266, 7295, 8754, 9688, 10213, 10380, 11672, 12110, 14532, 14590, 17508, 18165, 20426, 20760, 21885, 24220, 29064, 29180, 30639, 35016, 36330, 40852, 43770, 48440, 51065, 58360, 61278, 72660, 81704, 87540, 102130, 122556, 145320, 153195, 175080, 204260, 245112, 252407, 306390, 408520, 504814, 612780, 757221, 1009628, 1225560, 1262035, 1514442, 1766849, 2019256, 2524070, 3028884, 3533698, 3786105, 5048140, 5300547, 6057768, 7067396, 7572210, 8834245, 10096280, 10601094, 14134792, 15144420, 17668490, 21202188, 26502735, 30288840, 35336980, 42404376, 53005470, 70673960, 106010940, 212021880]

約数ペア:
[(1, 212021880), (2, 106010940), (3, 70673960), (4, 53005470), (5, 42404376), (6, 35336980), (7, 30288840), (8, 26502735), (10, 21202188), (12, 17668490), (14, 15144420), (15, 14134792), (20, 10601094), (21, 10096280), (24, 8834245), (28, 7572210), (30, 7067396), (35, 6057768), (40, 5300547), (42, 5048140), (56, 3786105), (60, 3533698), (70, 3028884), (84, 2524070), (105, 2019256), (120, 1766849), (140, 1514442), (168, 1262035), (173, 1225560), (210, 1009628), (280, 757221), (346, 612780), (420, 504814), (519, 408520), (692, 306390), (840, 252407), (865, 245112), (1038, 204260), (1211, 175080), (1384, 153195), (1459, 145320), (1730, 122556), (2076, 102130), (2422, 87540), (2595, 81704), (2918, 72660), (3460, 61278), (3633, 58360), (4152, 51065), (4377, 48440), (4844, 43770), (5190, 40852), (5836, 36330), (6055, 35016), (6920, 30639), (7266, 29180), (7295, 29064), (8754, 24220), (9688, 21885), (10213, 20760), (10380, 20426), (11672, 18165), (12110, 17508), (14532, 14590)]

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