About the Number

130804905

130804904 ← → 130804906

2進数表記:111110010111110110010101001

漢数字表記:一億三千八十万四千九百五

素因数分解:

3 1 × 5 1 × 7 1 × 11 1 × 109 1 × 1039 1

素因数の和:1174
約数の個数: 64
約数和(自身を含む): 263577600
約数和(自身を除く): 132772695

約数列:
[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 109, 165, 231, 327, 385, 545, 763, 1039, 1155, 1199, 1635, 2289, 3117, 3597, 3815, 5195, 5995, 7273, 8393, 11429, 11445, 15585, 17985, 21819, 25179, 34287, 36365, 41965, 57145, 80003, 109095, 113251, 125895, 171435, 240009, 339753, 400015, 566255, 792757, 1200045, 1245761, 1698765, 2378271, 3737283, 3963785, 6228805, 8720327, 11891355, 18686415, 26160981, 43601635, 130804905]

約数ペア:
[(1, 130804905), (3, 43601635), (5, 26160981), (7, 18686415), (11, 11891355), (15, 8720327), (21, 6228805), (33, 3963785), (35, 3737283), (55, 2378271), (77, 1698765), (105, 1245761), (109, 1200045), (165, 792757), (231, 566255), (327, 400015), (385, 339753), (545, 240009), (763, 171435), (1039, 125895), (1155, 113251), (1199, 109095), (1635, 80003), (2289, 57145), (3117, 41965), (3597, 36365), (3815, 34287), (5195, 25179), (5995, 21819), (7273, 17985), (8393, 15585), (11429, 11445)]

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