About the Number

203401890

203401889 ← → 203401891

2進数表記:1100000111111010101010100010

漢数字表記:二億三百四十万千八百九十

素因数分解:

2 1 × 3 2 × 5 1 × 211 1 × 10711 1

素因数の和:10935
約数の個数: 48
約数和(自身を含む): 531400896
約数和(自身を除く): 327999006

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 211, 422, 633, 1055, 1266, 1899, 2110, 3165, 3798, 6330, 9495, 10711, 18990, 21422, 32133, 53555, 64266, 96399, 107110, 160665, 192798, 321330, 481995, 963990, 2260021, 4520042, 6780063, 11300105, 13560126, 20340189, 22600210, 33900315, 40680378, 67800630, 101700945, 203401890]

約数ペア:
[(1, 203401890), (2, 101700945), (3, 67800630), (5, 40680378), (6, 33900315), (9, 22600210), (10, 20340189), (15, 13560126), (18, 11300105), (30, 6780063), (45, 4520042), (90, 2260021), (211, 963990), (422, 481995), (633, 321330), (1055, 192798), (1266, 160665), (1899, 107110), (2110, 96399), (3165, 64266), (3798, 53555), (6330, 32133), (9495, 21422), (10711, 18990)]

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