About the Number

7628820

7628819 ← → 7628821

2進数表記:11101000110100000010100

漢数字表記:七百六十二万八千八百二十

素因数分解:

2 2 × 3 1 × 5 1 × 53 1 × 2399 1

素因数の和:2464
約数の個数: 48
約数和(自身を含む): 21772800
約数和(自身を除く): 14143980

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 2399, 3180, 4798, 7197, 9596, 11995, 14394, 23990, 28788, 35985, 47980, 71970, 127147, 143940, 254294, 381441, 508588, 635735, 762882, 1271470, 1525764, 1907205, 2542940, 3814410, 7628820]

約数ペア:
[(1, 7628820), (2, 3814410), (3, 2542940), (4, 1907205), (5, 1525764), (6, 1271470), (10, 762882), (12, 635735), (15, 508588), (20, 381441), (30, 254294), (53, 143940), (60, 127147), (106, 71970), (159, 47980), (212, 35985), (265, 28788), (318, 23990), (530, 14394), (636, 11995), (795, 9596), (1060, 7197), (1590, 4798), (2399, 3180)]

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