About the Number

199980320

199980319 ← → 199980321

2進数表記:1011111010110111010100100000

漢数字表記:一億九千九百九十八万三百二十

素因数分解:

2 5 × 5 1 × 19 1 × 157 1 × 419 1

素因数の和:610
約数の個数: 96
約数和(自身を含む): 501681600
約数和(自身を除く): 301701280

約数列:
[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 157, 160, 190, 304, 314, 380, 419, 608, 628, 760, 785, 838, 1256, 1520, 1570, 1676, 2095, 2512, 2983, 3040, 3140, 3352, 4190, 5024, 5966, 6280, 6704, 7961, 8380, 11932, 12560, 13408, 14915, 15922, 16760, 23864, 25120, 29830, 31844, 33520, 39805, 47728, 59660, 63688, 65783, 67040, 79610, 95456, 119320, 127376, 131566, 159220, 238640, 254752, 263132, 318440, 328915, 477280, 526264, 636880, 657830, 1052528, 1249877, 1273760, 1315660, 2105056, 2499754, 2631320, 4999508, 5262640, 6249385, 9999016, 10525280, 12498770, 19998032, 24997540, 39996064, 49995080, 99990160, 199980320]

約数ペア:
[(1, 199980320), (2, 99990160), (4, 49995080), (5, 39996064), (8, 24997540), (10, 19998032), (16, 12498770), (19, 10525280), (20, 9999016), (32, 6249385), (38, 5262640), (40, 4999508), (76, 2631320), (80, 2499754), (95, 2105056), (152, 1315660), (157, 1273760), (160, 1249877), (190, 1052528), (304, 657830), (314, 636880), (380, 526264), (419, 477280), (608, 328915), (628, 318440), (760, 263132), (785, 254752), (838, 238640), (1256, 159220), (1520, 131566), (1570, 127376), (1676, 119320), (2095, 95456), (2512, 79610), (2983, 67040), (3040, 65783), (3140, 63688), (3352, 59660), (4190, 47728), (5024, 39805), (5966, 33520), (6280, 31844), (6704, 29830), (7961, 25120), (8380, 23864), (11932, 16760), (12560, 15922), (13408, 14915)]

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