About the Number

207978050

207978049 ← → 207978051

2進数表記:1100011001010111111001000010

漢数字表記:二億七百九十七万八千五十

素因数分解:

2 1 × 5 2 × 7 3 × 67 1 × 181 1

素因数の和:281
約数の個数: 96
約数和(自身を含む): 460387200
約数和(自身を除く): 252409150

約数列:
[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 67, 70, 98, 134, 175, 181, 245, 335, 343, 350, 362, 469, 490, 670, 686, 905, 938, 1225, 1267, 1675, 1715, 1810, 2345, 2450, 2534, 3283, 3350, 3430, 4525, 4690, 6335, 6566, 8575, 8869, 9050, 11725, 12127, 12670, 16415, 17150, 17738, 22981, 23450, 24254, 31675, 32830, 44345, 45962, 60635, 62083, 63350, 82075, 84889, 88690, 114905, 121270, 124166, 164150, 169778, 221725, 229810, 303175, 310415, 424445, 443450, 574525, 594223, 606350, 620830, 848890, 1149050, 1188446, 1552075, 2122225, 2971115, 3104150, 4159561, 4244450, 5942230, 8319122, 14855575, 20797805, 29711150, 41595610, 103989025, 207978050]

約数ペア:
[(1, 207978050), (2, 103989025), (5, 41595610), (7, 29711150), (10, 20797805), (14, 14855575), (25, 8319122), (35, 5942230), (49, 4244450), (50, 4159561), (67, 3104150), (70, 2971115), (98, 2122225), (134, 1552075), (175, 1188446), (181, 1149050), (245, 848890), (335, 620830), (343, 606350), (350, 594223), (362, 574525), (469, 443450), (490, 424445), (670, 310415), (686, 303175), (905, 229810), (938, 221725), (1225, 169778), (1267, 164150), (1675, 124166), (1715, 121270), (1810, 114905), (2345, 88690), (2450, 84889), (2534, 82075), (3283, 63350), (3350, 62083), (3430, 60635), (4525, 45962), (4690, 44345), (6335, 32830), (6566, 31675), (8575, 24254), (8869, 23450), (9050, 22981), (11725, 17738), (12127, 17150), (12670, 16415)]

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