About the Number

28401940

28401939 ← → 28401941

2進数表記:1101100010110000100010100

漢数字表記:二千八百四十万千九百四十

素因数分解:

2 2 × 5 1 × 7 1 × 37 1 × 5483 1

素因数の和:5536
約数の個数: 48
約数和(自身を含む): 70019712
約数和(自身を除く): 41617772

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 5483, 10966, 21932, 27415, 38381, 54830, 76762, 109660, 153524, 191905, 202871, 383810, 405742, 767620, 811484, 1014355, 1420097, 2028710, 2840194, 4057420, 5680388, 7100485, 14200970, 28401940]

約数ペア:
[(1, 28401940), (2, 14200970), (4, 7100485), (5, 5680388), (7, 4057420), (10, 2840194), (14, 2028710), (20, 1420097), (28, 1014355), (35, 811484), (37, 767620), (70, 405742), (74, 383810), (140, 202871), (148, 191905), (185, 153524), (259, 109660), (370, 76762), (518, 54830), (740, 38381), (1036, 27415), (1295, 21932), (2590, 10966), (5180, 5483)]

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