About the Number

127985200

127985199 ← → 127985201

2進数表記:111101000001110011000110000

漢数字表記:一億二千七百九十八万五千二百

素因数分解:

2 4 × 5 2 × 7 1 × 43 1 × 1063 1

素因数の和:1131
約数の個数: 120
約数和(自身を含む): 359921408
約数和(自身を除く): 231936208

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 43, 50, 56, 70, 80, 86, 100, 112, 140, 172, 175, 200, 215, 280, 301, 344, 350, 400, 430, 560, 602, 688, 700, 860, 1063, 1075, 1204, 1400, 1505, 1720, 2126, 2150, 2408, 2800, 3010, 3440, 4252, 4300, 4816, 5315, 6020, 7441, 7525, 8504, 8600, 10630, 12040, 14882, 15050, 17008, 17200, 21260, 24080, 26575, 29764, 30100, 37205, 42520, 45709, 53150, 59528, 60200, 74410, 85040, 91418, 106300, 119056, 120400, 148820, 182836, 186025, 212600, 228545, 297640, 319963, 365672, 372050, 425200, 457090, 595280, 639926, 731344, 744100, 914180, 1142725, 1279852, 1488200, 1599815, 1828360, 2285450, 2559704, 2976400, 3199630, 3656720, 4570900, 5119408, 6399260, 7999075, 9141800, 12798520, 15998150, 18283600, 25597040, 31996300, 63992600, 127985200]

約数ペア:
[(1, 127985200), (2, 63992600), (4, 31996300), (5, 25597040), (7, 18283600), (8, 15998150), (10, 12798520), (14, 9141800), (16, 7999075), (20, 6399260), (25, 5119408), (28, 4570900), (35, 3656720), (40, 3199630), (43, 2976400), (50, 2559704), (56, 2285450), (70, 1828360), (80, 1599815), (86, 1488200), (100, 1279852), (112, 1142725), (140, 914180), (172, 744100), (175, 731344), (200, 639926), (215, 595280), (280, 457090), (301, 425200), (344, 372050), (350, 365672), (400, 319963), (430, 297640), (560, 228545), (602, 212600), (688, 186025), (700, 182836), (860, 148820), (1063, 120400), (1075, 119056), (1204, 106300), (1400, 91418), (1505, 85040), (1720, 74410), (2126, 60200), (2150, 59528), (2408, 53150), (2800, 45709), (3010, 42520), (3440, 37205), (4252, 30100), (4300, 29764), (4816, 26575), (5315, 24080), (6020, 21260), (7441, 17200), (7525, 17008), (8504, 15050), (8600, 14882), (10630, 12040)]

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