About the Number

1277952990

1277952989 ← → 1277952991

2進数表記:1001100001011000000001111011110

漢数字表記:十二億七千七百九十五万二千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 31 1 × 37 1 × 37139 1

素因数の和:37217
約数の個数: 64
約数和(自身を含む): 3251681280
約数和(自身を除く): 1973728290

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 31, 37, 62, 74, 93, 111, 155, 185, 186, 222, 310, 370, 465, 555, 930, 1110, 1147, 2294, 3441, 5735, 6882, 11470, 17205, 34410, 37139, 74278, 111417, 185695, 222834, 371390, 557085, 1114170, 1151309, 1374143, 2302618, 2748286, 3453927, 4122429, 5756545, 6870715, 6907854, 8244858, 11513090, 13741430, 17269635, 20612145, 34539270, 41224290, 42598433, 85196866, 127795299, 212992165, 255590598, 425984330, 638976495, 1277952990]

約数ペア:
[(1, 1277952990), (2, 638976495), (3, 425984330), (5, 255590598), (6, 212992165), (10, 127795299), (15, 85196866), (30, 42598433), (31, 41224290), (37, 34539270), (62, 20612145), (74, 17269635), (93, 13741430), (111, 11513090), (155, 8244858), (185, 6907854), (186, 6870715), (222, 5756545), (310, 4122429), (370, 3453927), (465, 2748286), (555, 2302618), (930, 1374143), (1110, 1151309), (1147, 1114170), (2294, 557085), (3441, 371390), (5735, 222834), (6882, 185695), (11470, 111417), (17205, 74278), (34410, 37139)]

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