About the Number

1428990

1428989 ← → 1428991

2進数表記:101011100110111111110

漢数字表記:百四十二万八千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 19 1 × 23 1 × 109 1

素因数の和:161
約数の個数: 64
約数和(自身を含む): 3801600
約数和(自身を除く): 2372610

約数列:
[1, 2, 3, 5, 6, 10, 15, 19, 23, 30, 38, 46, 57, 69, 95, 109, 114, 115, 138, 190, 218, 230, 285, 327, 345, 437, 545, 570, 654, 690, 874, 1090, 1311, 1635, 2071, 2185, 2507, 2622, 3270, 4142, 4370, 5014, 6213, 6555, 7521, 10355, 12426, 12535, 13110, 15042, 20710, 25070, 31065, 37605, 47633, 62130, 75210, 95266, 142899, 238165, 285798, 476330, 714495, 1428990]

約数ペア:
[(1, 1428990), (2, 714495), (3, 476330), (5, 285798), (6, 238165), (10, 142899), (15, 95266), (19, 75210), (23, 62130), (30, 47633), (38, 37605), (46, 31065), (57, 25070), (69, 20710), (95, 15042), (109, 13110), (114, 12535), (115, 12426), (138, 10355), (190, 7521), (218, 6555), (230, 6213), (285, 5014), (327, 4370), (345, 4142), (437, 3270), (545, 2622), (570, 2507), (654, 2185), (690, 2071), (874, 1635), (1090, 1311)]

このpageの処理時間: 0.003531932830810547 seconds