About the Number

32001990

32001989 ← → 32001991

2進数表記:1111010000100111111000110

漢数字表記:三千二百万千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 17 1 × 131 1 × 479 1

素因数の和:637
約数の個数: 64
約数和(自身を含む): 82114560
約数和(自身を除く): 50112570

約数列:
[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 131, 170, 255, 262, 393, 479, 510, 655, 786, 958, 1310, 1437, 1965, 2227, 2395, 2874, 3930, 4454, 4790, 6681, 7185, 8143, 11135, 13362, 14370, 16286, 22270, 24429, 33405, 40715, 48858, 62749, 66810, 81430, 122145, 125498, 188247, 244290, 313745, 376494, 627490, 941235, 1066733, 1882470, 2133466, 3200199, 5333665, 6400398, 10667330, 16000995, 32001990]

約数ペア:
[(1, 32001990), (2, 16000995), (3, 10667330), (5, 6400398), (6, 5333665), (10, 3200199), (15, 2133466), (17, 1882470), (30, 1066733), (34, 941235), (51, 627490), (85, 376494), (102, 313745), (131, 244290), (170, 188247), (255, 125498), (262, 122145), (393, 81430), (479, 66810), (510, 62749), (655, 48858), (786, 40715), (958, 33405), (1310, 24429), (1437, 22270), (1965, 16286), (2227, 14370), (2395, 13362), (2874, 11135), (3930, 8143), (4454, 7185), (4790, 6681)]

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