About the Number

1996456490

1996456489 ← → 1996456491

2進数表記:1110110111111111000001000101010

漢数字表記:十九億九千六百四十五万六千四百九十

素因数分解:

2 1 × 5 1 × 7 2 × 317 1 × 12853 1

素因数の和:13191
約数の個数: 48
約数和(自身を含む): 4193848872
約数和(自身を除く): 2197392382

約数列:
[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 317, 490, 634, 1585, 2219, 3170, 4438, 11095, 12853, 15533, 22190, 25706, 31066, 64265, 77665, 89971, 128530, 155330, 179942, 449855, 629797, 899710, 1259594, 3148985, 4074401, 6297970, 8148802, 20372005, 28520807, 40744010, 57041614, 142604035, 199645649, 285208070, 399291298, 998228245, 1996456490]

約数ペア:
[(1, 1996456490), (2, 998228245), (5, 399291298), (7, 285208070), (10, 199645649), (14, 142604035), (35, 57041614), (49, 40744010), (70, 28520807), (98, 20372005), (245, 8148802), (317, 6297970), (490, 4074401), (634, 3148985), (1585, 1259594), (2219, 899710), (3170, 629797), (4438, 449855), (11095, 179942), (12853, 155330), (15533, 128530), (22190, 89971), (25706, 77665), (31066, 64265)]

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