About the Number
420172970
2進数表記:11001000010110101010010101010
漢数字表記:四億二千十七万二千九百七十
素因数分解:
素因数の和:1059
約数の個数: 64
約数和(自身を含む): 905472000
約数和(自身を除く): 485299030
約数列:
[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 499, 523, 805, 998, 1046, 1610, 2495, 2615, 3493, 3661, 4990, 5230, 6986, 7322, 11477, 12029, 17465, 18305, 22954, 24058, 34930, 36610, 57385, 60145, 80339, 84203, 114770, 120290, 160678, 168406, 260977, 401695, 421015, 521954, 803390, 842030, 1304885, 1826839, 2609770, 3653678, 6002471, 9134195, 12004942, 18268390, 30012355, 42017297, 60024710, 84034594, 210086485, 420172970]
約数ペア:
[(1, 420172970), (2, 210086485), (5, 84034594), (7, 60024710), (10, 42017297), (14, 30012355), (23, 18268390), (35, 12004942), (46, 9134195), (70, 6002471), (115, 3653678), (161, 2609770), (230, 1826839), (322, 1304885), (499, 842030), (523, 803390), (805, 521954), (998, 421015), (1046, 401695), (1610, 260977), (2495, 168406), (2615, 160678), (3493, 120290), (3661, 114770), (4990, 84203), (5230, 80339), (6986, 60145), (7322, 57385), (11477, 36610), (12029, 34930), (17465, 24058), (18305, 22954)]このpageの処理時間: 0.09252667427062988 seconds