About the Number

129470688

129470687 ← → 129470689

2進数表記:111101101111001000011100000

漢数字表記:一億二千九百四十七万六百八十八

素因数分解:

2 5 × 3 2 × 101 1 × 4451 1

素因数の和:4568
約数の個数: 72
約数和(自身を含む): 371911176
約数和(自身を除く): 242440488

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 101, 144, 202, 288, 303, 404, 606, 808, 909, 1212, 1616, 1818, 2424, 3232, 3636, 4451, 4848, 7272, 8902, 9696, 13353, 14544, 17804, 26706, 29088, 35608, 40059, 53412, 71216, 80118, 106824, 142432, 160236, 213648, 320472, 427296, 449551, 640944, 899102, 1281888, 1348653, 1798204, 2697306, 3596408, 4045959, 5394612, 7192816, 8091918, 10789224, 14385632, 16183836, 21578448, 32367672, 43156896, 64735344, 129470688]

約数ペア:
[(1, 129470688), (2, 64735344), (3, 43156896), (4, 32367672), (6, 21578448), (8, 16183836), (9, 14385632), (12, 10789224), (16, 8091918), (18, 7192816), (24, 5394612), (32, 4045959), (36, 3596408), (48, 2697306), (72, 1798204), (96, 1348653), (101, 1281888), (144, 899102), (202, 640944), (288, 449551), (303, 427296), (404, 320472), (606, 213648), (808, 160236), (909, 142432), (1212, 106824), (1616, 80118), (1818, 71216), (2424, 53412), (3232, 40059), (3636, 35608), (4451, 29088), (4848, 26706), (7272, 17804), (8902, 14544), (9696, 13353)]

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