About the Number

40128990

40128989 ← → 40128991

2進数表記:10011001000101000111011110

漢数字表記:四千十二万八千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 11 1 × 277 1 × 439 1

素因数の和:737
約数の個数: 64
約数和(自身を含む): 105684480
約数和(自身を除く): 65555490

約数列:
[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 277, 330, 439, 554, 831, 878, 1317, 1385, 1662, 2195, 2634, 2770, 3047, 4155, 4390, 4829, 6094, 6585, 8310, 9141, 9658, 13170, 14487, 15235, 18282, 24145, 28974, 30470, 45705, 48290, 72435, 91410, 121603, 144870, 243206, 364809, 608015, 729618, 1216030, 1337633, 1824045, 2675266, 3648090, 4012899, 6688165, 8025798, 13376330, 20064495, 40128990]

約数ペア:
[(1, 40128990), (2, 20064495), (3, 13376330), (5, 8025798), (6, 6688165), (10, 4012899), (11, 3648090), (15, 2675266), (22, 1824045), (30, 1337633), (33, 1216030), (55, 729618), (66, 608015), (110, 364809), (165, 243206), (277, 144870), (330, 121603), (439, 91410), (554, 72435), (831, 48290), (878, 45705), (1317, 30470), (1385, 28974), (1662, 24145), (2195, 18282), (2634, 15235), (2770, 14487), (3047, 13170), (4155, 9658), (4390, 9141), (4829, 8310), (6094, 6585)]

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