311287740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 936499200

約数和(自身を除く): 625211460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 31, 58, 60, 62, 87, 93, 116, 124, 145, 155, 174, 186, 199, 290, 310, 348, 372, 398, 435, 465, 580, 597, 620, 796, 841, 870, 899, 930, 995, 1194, 1682, 1740, 1798, 1860, 1990, 2388, 2523, 2697, 2985, 3364, 3596, 3980, 4205, 4495, 5046, 5394, 5771, 5970, 6169, 8410, 8990, 10092, 10788, 11542, 11940, 12338, 12615, 13485, 16820, 17313, 17980, 18507, 23084, 24676, 25230, 26071, 26970, 28855, 30845, 34626, 37014, 50460, 52142, 53940, 57710, 61690, 69252, 74028, 78213, 86565, 92535, 104284, 115420, 123380, 130355, 156426, 167359, 173130, 178901, 185070, 260710, 312852, 334718, 346260, 357802, 370140, 391065, 502077, 521420, 536703, 669436, 715604, 782130, 836795, 894505, 1004154, 1073406, 1564260, 1673590, 1789010, 2008308, 2146812, 2510385, 2683515, 3347180, 3578020, 5020770, 5188129, 5367030, 10041540, 10376258, 10734060, 15564387, 20752516, 25940645, 31128774, 51881290, 62257548, 77821935, 103762580, 155643870, 311287740]

約数ペア:

[(1, 311287740), (2, 155643870), (3, 103762580), (4, 77821935), (5, 62257548), (6, 51881290), (10, 31128774), (12, 25940645), (15, 20752516), (20, 15564387), (29, 10734060), (30, 10376258), (31, 10041540), (58, 5367030), (60, 5188129), (62, 5020770), (87, 3578020), (93, 3347180), (116, 2683515), (124, 2510385), (145, 2146812), (155, 2008308), (174, 1789010), (186, 1673590), (199, 1564260), (290, 1073406), (310, 1004154), (348, 894505), (372, 836795), (398, 782130), (435, 715604), (465, 669436), (580, 536703), (597, 521420), (620, 502077), (796, 391065), (841, 370140), (870, 357802), (899, 346260), (930, 334718), (995, 312852), (1194, 260710), (1682, 185070), (1740, 178901), (1798, 173130), (1860, 167359), (1990, 156426), (2388, 130355), (2523, 123380), (2697, 115420), (2985, 104284), (3364, 92535), (3596, 86565), (3980, 78213), (4205, 74028), (4495, 69252), (5046, 61690), (5394, 57710), (5771, 53940), (5970, 52142), (6169, 50460), (8410, 37014), (8990, 34626), (10092, 30845), (10788, 28855), (11542, 26970), (11940, 26071), (12338, 25230), (12615, 24676), (13485, 23084), (16820, 18507), (17313, 17980)]