About the Number

129121020

129121019 ← → 129121021

2進数表記:111101100100011101011111100

漢数字表記:一億二千九百十二万千二十

素因数分解:

2 2 × 3 3 × 5 1 × 7 1 × 34159 1

素因数の和:34184
約数の個数: 96
約数和(自身を含む): 459110400
約数和(自身を除く): 329989380

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 34159, 68318, 102477, 136636, 170795, 204954, 239113, 307431, 341590, 409908, 478226, 512385, 614862, 683180, 717339, 922293, 956452, 1024770, 1195565, 1229724, 1434678, 1537155, 1844586, 2049540, 2152017, 2391130, 2869356, 3074310, 3586695, 3689172, 4304034, 4611465, 4782260, 6148620, 6456051, 7173390, 8608068, 9222930, 10760085, 12912102, 14346780, 18445860, 21520170, 25824204, 32280255, 43040340, 64560510, 129121020]

約数ペア:
[(1, 129121020), (2, 64560510), (3, 43040340), (4, 32280255), (5, 25824204), (6, 21520170), (7, 18445860), (9, 14346780), (10, 12912102), (12, 10760085), (14, 9222930), (15, 8608068), (18, 7173390), (20, 6456051), (21, 6148620), (27, 4782260), (28, 4611465), (30, 4304034), (35, 3689172), (36, 3586695), (42, 3074310), (45, 2869356), (54, 2391130), (60, 2152017), (63, 2049540), (70, 1844586), (84, 1537155), (90, 1434678), (105, 1229724), (108, 1195565), (126, 1024770), (135, 956452), (140, 922293), (180, 717339), (189, 683180), (210, 614862), (252, 512385), (270, 478226), (315, 409908), (378, 341590), (420, 307431), (540, 239113), (630, 204954), (756, 170795), (945, 136636), (1260, 102477), (1890, 68318), (3780, 34159)]

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