About the Number

120992988

120992987 ← → 120992989

2進数表記:111001101100011010011011100

漢数字表記:一億二千九十九万二千九百八十八

素因数分解:

2 2 × 3 1 × 19 1 × 29 2 × 631 1

素因数の和:715
約数の個数: 72
約数和(自身を含む): 308264320
約数和(自身を除く): 187271332

約数列:
[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 76, 87, 114, 116, 174, 228, 348, 551, 631, 841, 1102, 1262, 1653, 1682, 1893, 2204, 2523, 2524, 3306, 3364, 3786, 5046, 6612, 7572, 10092, 11989, 15979, 18299, 23978, 31958, 35967, 36598, 47937, 47956, 54897, 63916, 71934, 73196, 95874, 109794, 143868, 191748, 219588, 347681, 530671, 695362, 1043043, 1061342, 1390724, 1592013, 2086086, 2122684, 3184026, 4172172, 6368052, 10082749, 20165498, 30248247, 40330996, 60496494, 120992988]

約数ペア:
[(1, 120992988), (2, 60496494), (3, 40330996), (4, 30248247), (6, 20165498), (12, 10082749), (19, 6368052), (29, 4172172), (38, 3184026), (57, 2122684), (58, 2086086), (76, 1592013), (87, 1390724), (114, 1061342), (116, 1043043), (174, 695362), (228, 530671), (348, 347681), (551, 219588), (631, 191748), (841, 143868), (1102, 109794), (1262, 95874), (1653, 73196), (1682, 71934), (1893, 63916), (2204, 54897), (2523, 47956), (2524, 47937), (3306, 36598), (3364, 35967), (3786, 31958), (5046, 23978), (6612, 18299), (7572, 15979), (10092, 11989)]

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