About the Number

129789072

129789071 ← → 129789073

2進数表記:111101111000110110010010000

漢数字表記:一億二千九百七十八万九千七十二

素因数分解:

2 4 × 3 2 × 7 1 × 331 1 × 389 1

素因数の和:741
約数の個数: 120
約数和(自身を含む): 417443520
約数和(自身を除く): 287654448

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 331, 336, 389, 504, 662, 778, 993, 1008, 1167, 1324, 1556, 1986, 2317, 2334, 2648, 2723, 2979, 3112, 3501, 3972, 4634, 4668, 5296, 5446, 5958, 6224, 6951, 7002, 7944, 8169, 9268, 9336, 10892, 11916, 13902, 14004, 15888, 16338, 18536, 18672, 20853, 21784, 23832, 24507, 27804, 28008, 32676, 37072, 41706, 43568, 47664, 49014, 55608, 56016, 65352, 83412, 98028, 111216, 128759, 130704, 166824, 196056, 257518, 333648, 386277, 392112, 515036, 772554, 901313, 1030072, 1158831, 1545108, 1802626, 2060144, 2317662, 2703939, 3090216, 3605252, 4635324, 5407878, 6180432, 7210504, 8111817, 9270648, 10815756, 14421008, 16223634, 18541296, 21631512, 32447268, 43263024, 64894536, 129789072]

約数ペア:
[(1, 129789072), (2, 64894536), (3, 43263024), (4, 32447268), (6, 21631512), (7, 18541296), (8, 16223634), (9, 14421008), (12, 10815756), (14, 9270648), (16, 8111817), (18, 7210504), (21, 6180432), (24, 5407878), (28, 4635324), (36, 3605252), (42, 3090216), (48, 2703939), (56, 2317662), (63, 2060144), (72, 1802626), (84, 1545108), (112, 1158831), (126, 1030072), (144, 901313), (168, 772554), (252, 515036), (331, 392112), (336, 386277), (389, 333648), (504, 257518), (662, 196056), (778, 166824), (993, 130704), (1008, 128759), (1167, 111216), (1324, 98028), (1556, 83412), (1986, 65352), (2317, 56016), (2334, 55608), (2648, 49014), (2723, 47664), (2979, 43568), (3112, 41706), (3501, 37072), (3972, 32676), (4634, 28008), (4668, 27804), (5296, 24507), (5446, 23832), (5958, 21784), (6224, 20853), (6951, 18672), (7002, 18536), (7944, 16338), (8169, 15888), (9268, 14004), (9336, 13902), (10892, 11916)]

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