About the Number

129123450

129123449 ← → 129123451

2進数表記:111101100100100010001111010

漢数字表記:一億二千九百十二万三千四百五十

素因数分解:

2 1 × 3 3 × 5 2 × 101 1 × 947 1

素因数の和:1069
約数の個数: 96
約数和(自身を含む): 359709120
約数和(自身を除く): 230585670

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 101, 135, 150, 202, 225, 270, 303, 450, 505, 606, 675, 909, 947, 1010, 1350, 1515, 1818, 1894, 2525, 2727, 2841, 3030, 4545, 4735, 5050, 5454, 5682, 7575, 8523, 9090, 9470, 13635, 14205, 15150, 17046, 22725, 23675, 25569, 27270, 28410, 42615, 45450, 47350, 51138, 68175, 71025, 85230, 95647, 127845, 136350, 142050, 191294, 213075, 255690, 286941, 426150, 478235, 573882, 639225, 860823, 956470, 1278450, 1434705, 1721646, 2391175, 2582469, 2869410, 4304115, 4782350, 5164938, 7173525, 8608230, 12912345, 14347050, 21520575, 25824690, 43041150, 64561725, 129123450]

約数ペア:
[(1, 129123450), (2, 64561725), (3, 43041150), (5, 25824690), (6, 21520575), (9, 14347050), (10, 12912345), (15, 8608230), (18, 7173525), (25, 5164938), (27, 4782350), (30, 4304115), (45, 2869410), (50, 2582469), (54, 2391175), (75, 1721646), (90, 1434705), (101, 1278450), (135, 956470), (150, 860823), (202, 639225), (225, 573882), (270, 478235), (303, 426150), (450, 286941), (505, 255690), (606, 213075), (675, 191294), (909, 142050), (947, 136350), (1010, 127845), (1350, 95647), (1515, 85230), (1818, 71025), (1894, 68175), (2525, 51138), (2727, 47350), (2841, 45450), (3030, 42615), (4545, 28410), (4735, 27270), (5050, 25569), (5454, 23675), (5682, 22725), (7575, 17046), (8523, 15150), (9090, 14205), (9470, 13635)]

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