408032240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66239}}^1$

素因数の和:66270

約数の個数: 80

約数和(自身を含む): 1182781440

約数和(自身を除く): 774749200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 66239, 132478, 264956, 331195, 463673, 529912, 662390, 728629, 927346, 1059824, 1324780, 1457258, 1854692, 2318365, 2649560, 2914516, 3643145, 3709384, 4636730, 5100403, 5299120, 5829032, 7286290, 7418768, 9273460, 10200806, 11658064, 14572580, 18546920, 20401612, 25502015, 29145160, 37093840, 40803224, 51004030, 58290320, 81606448, 102008060, 204016120, 408032240]

約数ペア:

[(1, 408032240), (2, 204016120), (4, 102008060), (5, 81606448), (7, 58290320), (8, 51004030), (10, 40803224), (11, 37093840), (14, 29145160), (16, 25502015), (20, 20401612), (22, 18546920), (28, 14572580), (35, 11658064), (40, 10200806), (44, 9273460), (55, 7418768), (56, 7286290), (70, 5829032), (77, 5299120), (80, 5100403), (88, 4636730), (110, 3709384), (112, 3643145), (140, 2914516), (154, 2649560), (176, 2318365), (220, 1854692), (280, 1457258), (308, 1324780), (385, 1059824), (440, 927346), (560, 728629), (616, 662390), (770, 529912), (880, 463673), (1232, 331195), (1540, 264956), (3080, 132478), (6160, 66239)]