About the Number

221378880

221378879 ← → 221378881

2進数表記:1101001100011111100101000000

漢数字表記:二億二千百三十七万八千八百八十

素因数分解:

2 6 × 3 1 × 5 1 × 19 1 × 53 1 × 229 1

素因数の和:321
約数の個数: 224
約数和(自身を含む): 757123200
約数和(自身を除く): 535744320

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 53, 57, 60, 64, 76, 80, 95, 96, 106, 114, 120, 152, 159, 160, 190, 192, 212, 228, 229, 240, 265, 285, 304, 318, 320, 380, 424, 456, 458, 480, 530, 570, 608, 636, 687, 760, 795, 848, 912, 916, 960, 1007, 1060, 1140, 1145, 1216, 1272, 1374, 1520, 1590, 1696, 1824, 1832, 2014, 2120, 2280, 2290, 2544, 2748, 3021, 3040, 3180, 3392, 3435, 3648, 3664, 4028, 4240, 4351, 4560, 4580, 5035, 5088, 5496, 6042, 6080, 6360, 6870, 7328, 8056, 8480, 8702, 9120, 9160, 10070, 10176, 10992, 12084, 12137, 12720, 13053, 13740, 14656, 15105, 16112, 16960, 17404, 18240, 18320, 20140, 21755, 21984, 24168, 24274, 25440, 26106, 27480, 30210, 32224, 34808, 36411, 36640, 40280, 43510, 43968, 48336, 48548, 50880, 52212, 54960, 60420, 60685, 64448, 65265, 69616, 72822, 73280, 80560, 87020, 96672, 97096, 104424, 109920, 120840, 121370, 130530, 139232, 145644, 161120, 174040, 182055, 193344, 194192, 208848, 219840, 230603, 241680, 242740, 261060, 278464, 291288, 322240, 348080, 364110, 388384, 417696, 461206, 483360, 485480, 522120, 582576, 691809, 696160, 728220, 776768, 835392, 922412, 966720, 970960, 1044240, 1153015, 1165152, 1383618, 1392320, 1456440, 1844824, 1941920, 2088480, 2306030, 2330304, 2767236, 2912880, 3459045, 3689648, 3883840, 4176960, 4612060, 5534472, 5825760, 6918090, 7379296, 9224120, 11068944, 11651520, 13836180, 14758592, 18448240, 22137888, 27672360, 36896480, 44275776, 55344720, 73792960, 110689440, 221378880]

約数ペア:
[(1, 221378880), (2, 110689440), (3, 73792960), (4, 55344720), (5, 44275776), (6, 36896480), (8, 27672360), (10, 22137888), (12, 18448240), (15, 14758592), (16, 13836180), (19, 11651520), (20, 11068944), (24, 9224120), (30, 7379296), (32, 6918090), (38, 5825760), (40, 5534472), (48, 4612060), (53, 4176960), (57, 3883840), (60, 3689648), (64, 3459045), (76, 2912880), (80, 2767236), (95, 2330304), (96, 2306030), (106, 2088480), (114, 1941920), (120, 1844824), (152, 1456440), (159, 1392320), (160, 1383618), (190, 1165152), (192, 1153015), (212, 1044240), (228, 970960), (229, 966720), (240, 922412), (265, 835392), (285, 776768), (304, 728220), (318, 696160), (320, 691809), (380, 582576), (424, 522120), (456, 485480), (458, 483360), (480, 461206), (530, 417696), (570, 388384), (608, 364110), (636, 348080), (687, 322240), (760, 291288), (795, 278464), (848, 261060), (912, 242740), (916, 241680), (960, 230603), (1007, 219840), (1060, 208848), (1140, 194192), (1145, 193344), (1216, 182055), (1272, 174040), (1374, 161120), (1520, 145644), (1590, 139232), (1696, 130530), (1824, 121370), (1832, 120840), (2014, 109920), (2120, 104424), (2280, 97096), (2290, 96672), (2544, 87020), (2748, 80560), (3021, 73280), (3040, 72822), (3180, 69616), (3392, 65265), (3435, 64448), (3648, 60685), (3664, 60420), (4028, 54960), (4240, 52212), (4351, 50880), (4560, 48548), (4580, 48336), (5035, 43968), (5088, 43510), (5496, 40280), (6042, 36640), (6080, 36411), (6360, 34808), (6870, 32224), (7328, 30210), (8056, 27480), (8480, 26106), (8702, 25440), (9120, 24274), (9160, 24168), (10070, 21984), (10176, 21755), (10992, 20140), (12084, 18320), (12137, 18240), (12720, 17404), (13053, 16960), (13740, 16112), (14656, 15105)]

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