889700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 2333184

約数和(自身を除く): 1443484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 41, 50, 62, 70, 82, 100, 124, 140, 155, 164, 175, 205, 217, 287, 310, 350, 410, 434, 574, 620, 700, 775, 820, 868, 1025, 1085, 1148, 1271, 1435, 1550, 2050, 2170, 2542, 2870, 3100, 4100, 4340, 5084, 5425, 5740, 6355, 7175, 8897, 10850, 12710, 14350, 17794, 21700, 25420, 28700, 31775, 35588, 44485, 63550, 88970, 127100, 177940, 222425, 444850, 889700]

約数ペア:

[(1, 889700), (2, 444850), (4, 222425), (5, 177940), (7, 127100), (10, 88970), (14, 63550), (20, 44485), (25, 35588), (28, 31775), (31, 28700), (35, 25420), (41, 21700), (50, 17794), (62, 14350), (70, 12710), (82, 10850), (100, 8897), (124, 7175), (140, 6355), (155, 5740), (164, 5425), (175, 5084), (205, 4340), (217, 4100), (287, 3100), (310, 2870), (350, 2542), (410, 2170), (434, 2050), (574, 1550), (620, 1435), (700, 1271), (775, 1148), (820, 1085), (868, 1025)]