About the Number

88420990

88420989 ← → 88420991

2進数表記:101010001010011001001111110

漢数字表記:八千八百四十二万九百九十

素因数分解:

2 1 × 5 1 × 7 2 × 31 1 × 5821 1

素因数の和:5873
約数の個数: 48
約数和(自身を含む): 191147904
約数和(自身を除く): 102726914

約数列:
[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1085, 1519, 2170, 3038, 5821, 7595, 11642, 15190, 29105, 40747, 58210, 81494, 180451, 203735, 285229, 360902, 407470, 570458, 902255, 1263157, 1426145, 1804510, 2526314, 2852290, 6315785, 8842099, 12631570, 17684198, 44210495, 88420990]

約数ペア:
[(1, 88420990), (2, 44210495), (5, 17684198), (7, 12631570), (10, 8842099), (14, 6315785), (31, 2852290), (35, 2526314), (49, 1804510), (62, 1426145), (70, 1263157), (98, 902255), (155, 570458), (217, 407470), (245, 360902), (310, 285229), (434, 203735), (490, 180451), (1085, 81494), (1519, 58210), (2170, 40747), (3038, 29105), (5821, 15190), (7595, 11642)]

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