About the Number
428021240
2進数表記:11001100000110001010111111000
漢数字表記:四億二千八百二万千二百四十
素因数分解:
素因数の和:2352
約数の個数: 64
約数和(自身を含む): 1023464160
約数和(自身を除く): 595442920
約数列:
[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 313, 340, 626, 680, 1252, 1565, 2011, 2504, 3130, 4022, 5321, 6260, 8044, 10055, 10642, 12520, 16088, 20110, 21284, 26605, 34187, 40220, 42568, 53210, 68374, 80440, 106420, 136748, 170935, 212840, 273496, 341870, 629443, 683740, 1258886, 1367480, 2517772, 3147215, 5035544, 6294430, 10700531, 12588860, 21401062, 25177720, 42802124, 53502655, 85604248, 107005310, 214010620, 428021240]
約数ペア:
[(1, 428021240), (2, 214010620), (4, 107005310), (5, 85604248), (8, 53502655), (10, 42802124), (17, 25177720), (20, 21401062), (34, 12588860), (40, 10700531), (68, 6294430), (85, 5035544), (136, 3147215), (170, 2517772), (313, 1367480), (340, 1258886), (626, 683740), (680, 629443), (1252, 341870), (1565, 273496), (2011, 212840), (2504, 170935), (3130, 136748), (4022, 106420), (5321, 80440), (6260, 68374), (8044, 53210), (10055, 42568), (10642, 40220), (12520, 34187), (16088, 26605), (20110, 21284)]このpageの処理時間: 0.05848884582519531 seconds