About the Number

1042721400

1042721399 ← → 1042721401

2進数表記:111110001001101010101001111000

漢数字表記:十億四千二百七十二万千四百

素因数分解:

2 3 × 3 1 × 5 2 × 7 1 × 248267 1

素因数の和:248293
約数の個数: 96
約数和(自身を含む): 3694227840
約数和(自身を除く): 2651506440

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 248267, 496534, 744801, 993068, 1241335, 1489602, 1737869, 1986136, 2482670, 2979204, 3475738, 3724005, 4965340, 5213607, 5958408, 6206675, 6951476, 7448010, 8689345, 9930680, 10427214, 12413350, 13902952, 14896020, 17378690, 18620025, 20854428, 24826700, 26068035, 29792040, 34757380, 37240050, 41708856, 43446725, 49653400, 52136070, 69514760, 74480100, 86893450, 104272140, 130340175, 148960200, 173786900, 208544280, 260680350, 347573800, 521360700, 1042721400]

約数ペア:
[(1, 1042721400), (2, 521360700), (3, 347573800), (4, 260680350), (5, 208544280), (6, 173786900), (7, 148960200), (8, 130340175), (10, 104272140), (12, 86893450), (14, 74480100), (15, 69514760), (20, 52136070), (21, 49653400), (24, 43446725), (25, 41708856), (28, 37240050), (30, 34757380), (35, 29792040), (40, 26068035), (42, 24826700), (50, 20854428), (56, 18620025), (60, 17378690), (70, 14896020), (75, 13902952), (84, 12413350), (100, 10427214), (105, 9930680), (120, 8689345), (140, 7448010), (150, 6951476), (168, 6206675), (175, 5958408), (200, 5213607), (210, 4965340), (280, 3724005), (300, 3475738), (350, 2979204), (420, 2482670), (525, 1986136), (600, 1737869), (700, 1489602), (840, 1241335), (1050, 993068), (1400, 744801), (2100, 496534), (4200, 248267)]

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