About the Number

221768928

221768927 ← → 221768929

2進数表記:1101001101111110110011100000

漢数字表記:二億二千百七十六万八千九百二十八

素因数分解:

2 5 × 3 4 × 67 1 × 1277 1

素因数の和:1366
約数の個数: 120
約数和(自身を含む): 662469192
約数和(自身を除く): 440700264

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 67, 72, 81, 96, 108, 134, 144, 162, 201, 216, 268, 288, 324, 402, 432, 536, 603, 648, 804, 864, 1072, 1206, 1277, 1296, 1608, 1809, 2144, 2412, 2554, 2592, 3216, 3618, 3831, 4824, 5108, 5427, 6432, 7236, 7662, 9648, 10216, 10854, 11493, 14472, 15324, 19296, 20432, 21708, 22986, 28944, 30648, 34479, 40864, 43416, 45972, 57888, 61296, 68958, 85559, 86832, 91944, 103437, 122592, 137916, 171118, 173664, 183888, 206874, 256677, 275832, 342236, 367776, 413748, 513354, 551664, 684472, 770031, 827496, 1026708, 1103328, 1368944, 1540062, 1654992, 2053416, 2310093, 2737888, 3080124, 3309984, 4106832, 4620186, 6160248, 6930279, 8213664, 9240372, 12320496, 13860558, 18480744, 24640992, 27721116, 36961488, 55442232, 73922976, 110884464, 221768928]

約数ペア:
[(1, 221768928), (2, 110884464), (3, 73922976), (4, 55442232), (6, 36961488), (8, 27721116), (9, 24640992), (12, 18480744), (16, 13860558), (18, 12320496), (24, 9240372), (27, 8213664), (32, 6930279), (36, 6160248), (48, 4620186), (54, 4106832), (67, 3309984), (72, 3080124), (81, 2737888), (96, 2310093), (108, 2053416), (134, 1654992), (144, 1540062), (162, 1368944), (201, 1103328), (216, 1026708), (268, 827496), (288, 770031), (324, 684472), (402, 551664), (432, 513354), (536, 413748), (603, 367776), (648, 342236), (804, 275832), (864, 256677), (1072, 206874), (1206, 183888), (1277, 173664), (1296, 171118), (1608, 137916), (1809, 122592), (2144, 103437), (2412, 91944), (2554, 86832), (2592, 85559), (3216, 68958), (3618, 61296), (3831, 57888), (4824, 45972), (5108, 43416), (5427, 40864), (6432, 34479), (7236, 30648), (7662, 28944), (9648, 22986), (10216, 21708), (10854, 20432), (11493, 19296), (14472, 15324)]

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