About the Number

10286990

10286989 ← → 10286991

2進数表記:100111001111011110001110

漢数字表記:千二十八万六千九百九十

素因数分解:

2 1 × 5 1 × 7 1 × 223 1 × 659 1

素因数の和:896
約数の個数: 32
約数和(自身を含む): 21288960
約数和(自身を除く): 11001970

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 223, 446, 659, 1115, 1318, 1561, 2230, 3122, 3295, 4613, 6590, 7805, 9226, 15610, 23065, 46130, 146957, 293914, 734785, 1028699, 1469570, 2057398, 5143495, 10286990]

約数ペア:
[(1, 10286990), (2, 5143495), (5, 2057398), (7, 1469570), (10, 1028699), (14, 734785), (35, 293914), (70, 146957), (223, 46130), (446, 23065), (659, 15610), (1115, 9226), (1318, 7805), (1561, 6590), (2230, 4613), (3122, 3295)]

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