About the Number
201421890
2進数表記:1100000000010111010001000010
漢数字表記:二億百四十二万千八百九十
素因数分解:
素因数の和:5845
約数の個数: 80
約数和(自身を含む): 554292288
約数和(自身を除く): 352870398
約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 81, 86, 90, 129, 135, 162, 215, 258, 270, 387, 405, 430, 645, 774, 810, 1161, 1290, 1935, 2322, 3483, 3870, 5783, 5805, 6966, 11566, 11610, 17349, 17415, 28915, 34698, 34830, 52047, 57830, 86745, 104094, 156141, 173490, 248669, 260235, 312282, 468423, 497338, 520470, 746007, 780705, 936846, 1243345, 1492014, 1561410, 2238021, 2342115, 2486690, 3730035, 4476042, 4684230, 6714063, 7460070, 11190105, 13428126, 20142189, 22380210, 33570315, 40284378, 67140630, 100710945, 201421890]
約数ペア:
[(1, 201421890), (2, 100710945), (3, 67140630), (5, 40284378), (6, 33570315), (9, 22380210), (10, 20142189), (15, 13428126), (18, 11190105), (27, 7460070), (30, 6714063), (43, 4684230), (45, 4476042), (54, 3730035), (81, 2486690), (86, 2342115), (90, 2238021), (129, 1561410), (135, 1492014), (162, 1243345), (215, 936846), (258, 780705), (270, 746007), (387, 520470), (405, 497338), (430, 468423), (645, 312282), (774, 260235), (810, 248669), (1161, 173490), (1290, 156141), (1935, 104094), (2322, 86745), (3483, 57830), (3870, 52047), (5783, 34830), (5805, 34698), (6966, 28915), (11566, 17415), (11610, 17349)]このpageの処理時間: 0.008892059326171875 seconds