About the Number

664704990

664704989 ← → 664704991

2進数表記:100111100111101001011111011110

漢数字表記:六億六千四百七十万四千九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 67 1 × 110233 1

素因数の和:110313
約数の個数: 48
約数和(自身を含む): 1754043408
約数和(自身を除く): 1089338418

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 67, 90, 134, 201, 335, 402, 603, 670, 1005, 1206, 2010, 3015, 6030, 110233, 220466, 330699, 551165, 661398, 992097, 1102330, 1653495, 1984194, 3306990, 4960485, 7385611, 9920970, 14771222, 22156833, 36928055, 44313666, 66470499, 73856110, 110784165, 132940998, 221568330, 332352495, 664704990]

約数ペア:
[(1, 664704990), (2, 332352495), (3, 221568330), (5, 132940998), (6, 110784165), (9, 73856110), (10, 66470499), (15, 44313666), (18, 36928055), (30, 22156833), (45, 14771222), (67, 9920970), (90, 7385611), (134, 4960485), (201, 3306990), (335, 1984194), (402, 1653495), (603, 1102330), (670, 992097), (1005, 661398), (1206, 551165), (2010, 330699), (3015, 220466), (6030, 110233)]

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