About the Number

129478890

129478889 ← → 129478891

2進数表記:111101101111011000011101010

漢数字表記:一億二千九百四十七万八千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 47 1 × 229 1 × 401 1

素因数の和:687
約数の個数: 64
約数和(自身を含む): 319541760
約数和(自身を除く): 190062870

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 229, 235, 282, 401, 458, 470, 687, 705, 802, 1145, 1203, 1374, 1410, 2005, 2290, 2406, 3435, 4010, 6015, 6870, 10763, 12030, 18847, 21526, 32289, 37694, 53815, 56541, 64578, 91829, 94235, 107630, 113082, 161445, 183658, 188470, 275487, 282705, 322890, 459145, 550974, 565410, 918290, 1377435, 2754870, 4315963, 8631926, 12947889, 21579815, 25895778, 43159630, 64739445, 129478890]

約数ペア:
[(1, 129478890), (2, 64739445), (3, 43159630), (5, 25895778), (6, 21579815), (10, 12947889), (15, 8631926), (30, 4315963), (47, 2754870), (94, 1377435), (141, 918290), (229, 565410), (235, 550974), (282, 459145), (401, 322890), (458, 282705), (470, 275487), (687, 188470), (705, 183658), (802, 161445), (1145, 113082), (1203, 107630), (1374, 94235), (1410, 91829), (2005, 64578), (2290, 56541), (2406, 53815), (3435, 37694), (4010, 32289), (6015, 21526), (6870, 18847), (10763, 12030)]

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