485745820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 1250242560

約数和(自身を除く): 764496740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 59, 62, 70, 98, 118, 124, 140, 155, 196, 217, 236, 245, 271, 295, 310, 413, 434, 490, 542, 590, 620, 826, 868, 980, 1084, 1085, 1180, 1355, 1519, 1652, 1829, 1897, 2065, 2170, 2710, 2891, 3038, 3658, 3794, 4130, 4340, 5420, 5782, 6076, 7316, 7588, 7595, 8260, 8401, 9145, 9485, 11564, 12803, 13279, 14455, 15190, 15989, 16802, 18290, 18970, 25606, 26558, 28910, 30380, 31978, 33604, 36580, 37940, 42005, 51212, 53116, 57820, 58807, 63956, 64015, 66395, 79945, 84010, 89621, 111923, 117614, 128030, 132790, 159890, 168020, 179242, 223846, 235228, 256060, 265580, 294035, 319780, 358484, 411649, 447692, 448105, 495659, 559615, 588070, 783461, 823298, 896210, 991318, 1119230, 1176140, 1566922, 1646596, 1792420, 1982636, 2058245, 2238460, 2478295, 3133844, 3469613, 3917305, 4116490, 4956590, 6939226, 7834610, 8232980, 9913180, 13878452, 15669220, 17348065, 24287291, 34696130, 48574582, 69392260, 97149164, 121436455, 242872910, 485745820]

約数ペア:

[(1, 485745820), (2, 242872910), (4, 121436455), (5, 97149164), (7, 69392260), (10, 48574582), (14, 34696130), (20, 24287291), (28, 17348065), (31, 15669220), (35, 13878452), (49, 9913180), (59, 8232980), (62, 7834610), (70, 6939226), (98, 4956590), (118, 4116490), (124, 3917305), (140, 3469613), (155, 3133844), (196, 2478295), (217, 2238460), (236, 2058245), (245, 1982636), (271, 1792420), (295, 1646596), (310, 1566922), (413, 1176140), (434, 1119230), (490, 991318), (542, 896210), (590, 823298), (620, 783461), (826, 588070), (868, 559615), (980, 495659), (1084, 448105), (1085, 447692), (1180, 411649), (1355, 358484), (1519, 319780), (1652, 294035), (1829, 265580), (1897, 256060), (2065, 235228), (2170, 223846), (2710, 179242), (2891, 168020), (3038, 159890), (3658, 132790), (3794, 128030), (4130, 117614), (4340, 111923), (5420, 89621), (5782, 84010), (6076, 79945), (7316, 66395), (7588, 64015), (7595, 63956), (8260, 58807), (8401, 57820), (9145, 53116), (9485, 51212), (11564, 42005), (12803, 37940), (13279, 36580), (14455, 33604), (15190, 31978), (15989, 30380), (16802, 28910), (18290, 26558), (18970, 25606)]