About the Number

131221410

131221409 ← → 131221411

2進数表記:111110100100100011110100010

漢数字表記:一億三千百二十二万千四百十

素因数分解:

2 1 × 3 1 × 5 1 × 19 1 × 230213 1

素因数の和:230242
約数の個数: 32
約数和(自身を含む): 331508160
約数和(自身を除く): 200286750

約数列:
[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 230213, 460426, 690639, 1151065, 1381278, 2302130, 3453195, 4374047, 6906390, 8748094, 13122141, 21870235, 26244282, 43740470, 65610705, 131221410]

約数ペア:
[(1, 131221410), (2, 65610705), (3, 43740470), (5, 26244282), (6, 21870235), (10, 13122141), (15, 8748094), (19, 6906390), (30, 4374047), (38, 3453195), (57, 2302130), (95, 1381278), (114, 1151065), (190, 690639), (285, 460426), (570, 230213)]

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