About the Number

485799440

485799439 ← → 485799441

2進数表記:11100111101001011011000010000

漢数字表記:四億八千五百七十九万九千四百四十

素因数分解:

2 4 × 5 1 × 7 1 × 79 2 × 139 1

素因数の和:317
約数の個数: 120
約数和(自身を含む): 1316790720
約数和(自身を除く): 830991280

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 139, 140, 158, 278, 280, 316, 395, 553, 556, 560, 632, 695, 790, 973, 1106, 1112, 1264, 1390, 1580, 1946, 2212, 2224, 2765, 2780, 3160, 3892, 4424, 4865, 5530, 5560, 6241, 6320, 7784, 8848, 9730, 10981, 11060, 11120, 12482, 15568, 19460, 21962, 22120, 24964, 31205, 38920, 43687, 43924, 44240, 49928, 54905, 62410, 76867, 77840, 87374, 87848, 99856, 109810, 124820, 153734, 174748, 175696, 218435, 219620, 249640, 307468, 349496, 384335, 436870, 439240, 499280, 614936, 698992, 768670, 867499, 873740, 878480, 1229872, 1537340, 1734998, 1747480, 3074680, 3469996, 3494960, 4337495, 6072493, 6149360, 6939992, 8674990, 12144986, 13879984, 17349980, 24289972, 30362465, 34699960, 48579944, 60724930, 69399920, 97159888, 121449860, 242899720, 485799440]

約数ペア:
[(1, 485799440), (2, 242899720), (4, 121449860), (5, 97159888), (7, 69399920), (8, 60724930), (10, 48579944), (14, 34699960), (16, 30362465), (20, 24289972), (28, 17349980), (35, 13879984), (40, 12144986), (56, 8674990), (70, 6939992), (79, 6149360), (80, 6072493), (112, 4337495), (139, 3494960), (140, 3469996), (158, 3074680), (278, 1747480), (280, 1734998), (316, 1537340), (395, 1229872), (553, 878480), (556, 873740), (560, 867499), (632, 768670), (695, 698992), (790, 614936), (973, 499280), (1106, 439240), (1112, 436870), (1264, 384335), (1390, 349496), (1580, 307468), (1946, 249640), (2212, 219620), (2224, 218435), (2765, 175696), (2780, 174748), (3160, 153734), (3892, 124820), (4424, 109810), (4865, 99856), (5530, 87848), (5560, 87374), (6241, 77840), (6320, 76867), (7784, 62410), (8848, 54905), (9730, 49928), (10981, 44240), (11060, 43924), (11120, 43687), (12482, 38920), (15568, 31205), (19460, 24964), (21962, 22120)]

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