About the Number

221855940

221855939 ← → 221855941

2進数表記:1101001110010100000011000100

漢数字表記:二億二千百八十五万五千九百四十

素因数分解:

2 2 × 3 2 × 5 1 × 107 1 × 11519 1

素因数の和:11641
約数の個数: 72
約数和(自身を含む): 679311360
約数和(自身を除く): 457455420

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1605, 1926, 2140, 3210, 3852, 4815, 6420, 9630, 11519, 19260, 23038, 34557, 46076, 57595, 69114, 103671, 115190, 138228, 172785, 207342, 230380, 345570, 414684, 518355, 691140, 1036710, 1232533, 2073420, 2465066, 3697599, 4930132, 6162665, 7395198, 11092797, 12325330, 14790396, 18487995, 22185594, 24650660, 36975990, 44371188, 55463985, 73951980, 110927970, 221855940]

約数ペア:
[(1, 221855940), (2, 110927970), (3, 73951980), (4, 55463985), (5, 44371188), (6, 36975990), (9, 24650660), (10, 22185594), (12, 18487995), (15, 14790396), (18, 12325330), (20, 11092797), (30, 7395198), (36, 6162665), (45, 4930132), (60, 3697599), (90, 2465066), (107, 2073420), (180, 1232533), (214, 1036710), (321, 691140), (428, 518355), (535, 414684), (642, 345570), (963, 230380), (1070, 207342), (1284, 172785), (1605, 138228), (1926, 115190), (2140, 103671), (3210, 69114), (3852, 57595), (4815, 46076), (6420, 34557), (9630, 23038), (11519, 19260)]

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