About the Number

231380908

231380907 ← → 231380909

2進数表記:1101110010101001011110101100

漢数字表記:二億三千百三十八万九百八

素因数分解:

2 2 × 11 1 × 29 1 × 149 1 × 1217 1

素因数の和:1410
約数の個数: 48
約数和(自身を含む): 460404000
約数和(自身を除く): 229023092

約数列:
[1, 2, 4, 11, 22, 29, 44, 58, 116, 149, 298, 319, 596, 638, 1217, 1276, 1639, 2434, 3278, 4321, 4868, 6556, 8642, 13387, 17284, 26774, 35293, 47531, 53548, 70586, 95062, 141172, 181333, 190124, 362666, 388223, 725332, 776446, 1552892, 1994663, 3989326, 5258657, 7978652, 10517314, 21034628, 57845227, 115690454, 231380908]

約数ペア:
[(1, 231380908), (2, 115690454), (4, 57845227), (11, 21034628), (22, 10517314), (29, 7978652), (44, 5258657), (58, 3989326), (116, 1994663), (149, 1552892), (298, 776446), (319, 725332), (596, 388223), (638, 362666), (1217, 190124), (1276, 181333), (1639, 141172), (2434, 95062), (3278, 70586), (4321, 53548), (4868, 47531), (6556, 35293), (8642, 26774), (13387, 17284)]

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