199676890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 464486400

約数和(自身を除く): 264809510

約数列:

[1, 2, 5, 7, 10, 14, 19, 29, 31, 35, 38, 58, 62, 70, 95, 133, 145, 155, 167, 190, 203, 217, 266, 290, 310, 334, 406, 434, 551, 589, 665, 835, 899, 1015, 1085, 1102, 1169, 1178, 1330, 1670, 1798, 2030, 2170, 2338, 2755, 2945, 3173, 3857, 4123, 4495, 4843, 5177, 5510, 5845, 5890, 6293, 6346, 7714, 8246, 8990, 9686, 10354, 11690, 12586, 15865, 17081, 19285, 20615, 22211, 24215, 25885, 31465, 31730, 33901, 34162, 36239, 38570, 41230, 44422, 48430, 51770, 62930, 67802, 72478, 85405, 92017, 98363, 111055, 119567, 150133, 169505, 170810, 181195, 184034, 196726, 222110, 239134, 300266, 339010, 362390, 460085, 491815, 597835, 644119, 688541, 750665, 920170, 983630, 1050931, 1195670, 1288238, 1377082, 1501330, 2101862, 2852527, 3220595, 3442705, 5254655, 5705054, 6441190, 6885410, 10509310, 14262635, 19967689, 28525270, 39935378, 99838445, 199676890]

約数ペア:

[(1, 199676890), (2, 99838445), (5, 39935378), (7, 28525270), (10, 19967689), (14, 14262635), (19, 10509310), (29, 6885410), (31, 6441190), (35, 5705054), (38, 5254655), (58, 3442705), (62, 3220595), (70, 2852527), (95, 2101862), (133, 1501330), (145, 1377082), (155, 1288238), (167, 1195670), (190, 1050931), (203, 983630), (217, 920170), (266, 750665), (290, 688541), (310, 644119), (334, 597835), (406, 491815), (434, 460085), (551, 362390), (589, 339010), (665, 300266), (835, 239134), (899, 222110), (1015, 196726), (1085, 184034), (1102, 181195), (1169, 170810), (1178, 169505), (1330, 150133), (1670, 119567), (1798, 111055), (2030, 98363), (2170, 92017), (2338, 85405), (2755, 72478), (2945, 67802), (3173, 62930), (3857, 51770), (4123, 48430), (4495, 44422), (4843, 41230), (5177, 38570), (5510, 36239), (5845, 34162), (5890, 33901), (6293, 31730), (6346, 31465), (7714, 25885), (8246, 24215), (8990, 22211), (9686, 20615), (10354, 19285), (11690, 17081), (12586, 15865)]