404592267880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1\times {\mathrm{245881}}^1$

素因数の和:247250

約数の個数: 64

約数和(自身を含む): 940410132480

約数和(自身を除く): 535817864600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1327, 2654, 5308, 6635, 10616, 13270, 26540, 41137, 53080, 82274, 164548, 205685, 245881, 329096, 411370, 491762, 822740, 983524, 1229405, 1645480, 1967048, 2458810, 4917620, 7622311, 9835240, 15244622, 30489244, 38111555, 60978488, 76223110, 152446220, 304892440, 326284087, 652568174, 1305136348, 1631420435, 2610272696, 3262840870, 6525681740, 10114806697, 13051363480, 20229613394, 40459226788, 50574033485, 80918453576, 101148066970, 202296133940, 404592267880]

約数ペア:

[(1, 404592267880), (2, 202296133940), (4, 101148066970), (5, 80918453576), (8, 50574033485), (10, 40459226788), (20, 20229613394), (31, 13051363480), (40, 10114806697), (62, 6525681740), (124, 3262840870), (155, 2610272696), (248, 1631420435), (310, 1305136348), (620, 652568174), (1240, 326284087), (1327, 304892440), (2654, 152446220), (5308, 76223110), (6635, 60978488), (10616, 38111555), (13270, 30489244), (26540, 15244622), (41137, 9835240), (53080, 7622311), (82274, 4917620), (164548, 2458810), (205685, 1967048), (245881, 1645480), (329096, 1229405), (411370, 983524), (491762, 822740)]