About the Number

140905230

140905229 ← → 140905231

2進数表記:1000011001100000101100001110

漢数字表記:一億四千九十万五千二百三十

素因数分解:

2 1 × 3 1 × 5 1 × 31 1 × 127 1 × 1193 1

素因数の和:1361
約数の個数: 64
約数和(自身を含む): 352124928
約数和(自身を除く): 211219698

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 127, 155, 186, 254, 310, 381, 465, 635, 762, 930, 1193, 1270, 1905, 2386, 3579, 3810, 3937, 5965, 7158, 7874, 11811, 11930, 17895, 19685, 23622, 35790, 36983, 39370, 59055, 73966, 110949, 118110, 151511, 184915, 221898, 303022, 369830, 454533, 554745, 757555, 909066, 1109490, 1515110, 2272665, 4545330, 4696841, 9393682, 14090523, 23484205, 28181046, 46968410, 70452615, 140905230]

約数ペア:
[(1, 140905230), (2, 70452615), (3, 46968410), (5, 28181046), (6, 23484205), (10, 14090523), (15, 9393682), (30, 4696841), (31, 4545330), (62, 2272665), (93, 1515110), (127, 1109490), (155, 909066), (186, 757555), (254, 554745), (310, 454533), (381, 369830), (465, 303022), (635, 221898), (762, 184915), (930, 151511), (1193, 118110), (1270, 110949), (1905, 73966), (2386, 59055), (3579, 39370), (3810, 36983), (3937, 35790), (5965, 23622), (7158, 19685), (7874, 17895), (11811, 11930)]

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