About the Number

996880980

996880979 ← → 996880981

2進数表記:111011011010110011001001010100

漢数字表記:九億九千六百八十八万九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 19 1 × 874457 1

素因数の和:874488
約数の個数: 48
約数和(自身を含む): 2938178880
約数和(自身を除く): 1941297900

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 874457, 1748914, 2623371, 3497828, 4372285, 5246742, 8744570, 10493484, 13116855, 16614683, 17489140, 26233710, 33229366, 49844049, 52467420, 66458732, 83073415, 99688098, 166146830, 199376196, 249220245, 332293660, 498440490, 996880980]

約数ペア:
[(1, 996880980), (2, 498440490), (3, 332293660), (4, 249220245), (5, 199376196), (6, 166146830), (10, 99688098), (12, 83073415), (15, 66458732), (19, 52467420), (20, 49844049), (30, 33229366), (38, 26233710), (57, 17489140), (60, 16614683), (76, 13116855), (95, 10493484), (114, 8744570), (190, 5246742), (228, 4372285), (285, 3497828), (380, 2623371), (570, 1748914), (1140, 874457)]

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