434778890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20773}}^1$

素因数の和:20823

約数の個数: 64

約数和(自身を含む): 1005129216

約数和(自身を除く): 570350326

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 161, 182, 230, 299, 322, 455, 598, 805, 910, 1495, 1610, 2093, 2990, 4186, 10465, 20773, 20930, 41546, 103865, 145411, 207730, 270049, 290822, 477779, 540098, 727055, 955558, 1350245, 1454110, 1890343, 2388895, 2700490, 3344453, 3780686, 4777790, 6211127, 6688906, 9451715, 12422254, 16722265, 18903430, 31055635, 33444530, 43477889, 62111270, 86955778, 217389445, 434778890]

約数ペア:

[(1, 434778890), (2, 217389445), (5, 86955778), (7, 62111270), (10, 43477889), (13, 33444530), (14, 31055635), (23, 18903430), (26, 16722265), (35, 12422254), (46, 9451715), (65, 6688906), (70, 6211127), (91, 4777790), (115, 3780686), (130, 3344453), (161, 2700490), (182, 2388895), (230, 1890343), (299, 1454110), (322, 1350245), (455, 955558), (598, 727055), (805, 540098), (910, 477779), (1495, 290822), (1610, 270049), (2093, 207730), (2990, 145411), (4186, 103865), (10465, 41546), (20773, 20930)]