About the Number

488491640

488491639 ← → 488491641

2進数表記:11101000111011100101001111000

漢数字表記:四億八千八百四十九万千六百四十

素因数分解:

2 3 × 5 1 × 7 1 × 13 1 × 67 1 × 2003 1

素因数の和:2101
約数の個数: 128
約数和(自身を含む): 1373621760
約数和(自身を除く): 885130120

約数列:
[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 91, 104, 130, 134, 140, 182, 260, 268, 280, 335, 364, 455, 469, 520, 536, 670, 728, 871, 910, 938, 1340, 1742, 1820, 1876, 2003, 2345, 2680, 3484, 3640, 3752, 4006, 4355, 4690, 6097, 6968, 8012, 8710, 9380, 10015, 12194, 14021, 16024, 17420, 18760, 20030, 24388, 26039, 28042, 30485, 34840, 40060, 48776, 52078, 56084, 60970, 70105, 80120, 104156, 112168, 121940, 130195, 134201, 140210, 182273, 208312, 243880, 260390, 268402, 280420, 364546, 520780, 536804, 560840, 671005, 729092, 911365, 939407, 1041560, 1073608, 1342010, 1458184, 1744613, 1822730, 1878814, 2684020, 3489226, 3645460, 3757628, 4697035, 5368040, 6978452, 7290920, 7515256, 8723065, 9394070, 12212291, 13956904, 17446130, 18788140, 24424582, 34892260, 37576280, 48849164, 61061455, 69784520, 97698328, 122122910, 244245820, 488491640]

約数ペア:
[(1, 488491640), (2, 244245820), (4, 122122910), (5, 97698328), (7, 69784520), (8, 61061455), (10, 48849164), (13, 37576280), (14, 34892260), (20, 24424582), (26, 18788140), (28, 17446130), (35, 13956904), (40, 12212291), (52, 9394070), (56, 8723065), (65, 7515256), (67, 7290920), (70, 6978452), (91, 5368040), (104, 4697035), (130, 3757628), (134, 3645460), (140, 3489226), (182, 2684020), (260, 1878814), (268, 1822730), (280, 1744613), (335, 1458184), (364, 1342010), (455, 1073608), (469, 1041560), (520, 939407), (536, 911365), (670, 729092), (728, 671005), (871, 560840), (910, 536804), (938, 520780), (1340, 364546), (1742, 280420), (1820, 268402), (1876, 260390), (2003, 243880), (2345, 208312), (2680, 182273), (3484, 140210), (3640, 134201), (3752, 130195), (4006, 121940), (4355, 112168), (4690, 104156), (6097, 80120), (6968, 70105), (8012, 60970), (8710, 56084), (9380, 52078), (10015, 48776), (12194, 40060), (14021, 34840), (16024, 30485), (17420, 28042), (18760, 26039), (20030, 24388)]

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