About the Number

1988340

1988339 ← → 1988341

2進数表記:111100101011011110100

漢数字表記:百九十八万八千三百四十

素因数分解:

2 2 × 3 1 × 5 1 × 31 1 × 1069 1

素因数の和:1112
約数の個数: 48
約数和(自身を含む): 5752320
約数和(自身を除く): 3763980

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1069, 1860, 2138, 3207, 4276, 5345, 6414, 10690, 12828, 16035, 21380, 32070, 33139, 64140, 66278, 99417, 132556, 165695, 198834, 331390, 397668, 497085, 662780, 994170, 1988340]

約数ペア:
[(1, 1988340), (2, 994170), (3, 662780), (4, 497085), (5, 397668), (6, 331390), (10, 198834), (12, 165695), (15, 132556), (20, 99417), (30, 66278), (31, 64140), (60, 33139), (62, 32070), (93, 21380), (124, 16035), (155, 12828), (186, 10690), (310, 6414), (372, 5345), (465, 4276), (620, 3207), (930, 2138), (1069, 1860)]

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