285418380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19259}}^1$

素因数の和:19303

約数の個数: 96

約数和(自身を含む): 905990400

約数和(自身を除く): 620572020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2470, 2964, 3705, 4940, 7410, 14820, 19259, 38518, 57777, 77036, 96295, 115554, 192590, 231108, 250367, 288885, 365921, 385180, 500734, 577770, 731842, 751101, 1001468, 1097763, 1155540, 1251835, 1463684, 1502202, 1829605, 2195526, 2503670, 3004404, 3659210, 3755505, 4391052, 4756973, 5007340, 5488815, 7318420, 7511010, 9513946, 10977630, 14270919, 15022020, 19027892, 21955260, 23784865, 28541838, 47569730, 57083676, 71354595, 95139460, 142709190, 285418380]

約数ペア:

[(1, 285418380), (2, 142709190), (3, 95139460), (4, 71354595), (5, 57083676), (6, 47569730), (10, 28541838), (12, 23784865), (13, 21955260), (15, 19027892), (19, 15022020), (20, 14270919), (26, 10977630), (30, 9513946), (38, 7511010), (39, 7318420), (52, 5488815), (57, 5007340), (60, 4756973), (65, 4391052), (76, 3755505), (78, 3659210), (95, 3004404), (114, 2503670), (130, 2195526), (156, 1829605), (190, 1502202), (195, 1463684), (228, 1251835), (247, 1155540), (260, 1097763), (285, 1001468), (380, 751101), (390, 731842), (494, 577770), (570, 500734), (741, 385180), (780, 365921), (988, 288885), (1140, 250367), (1235, 231108), (1482, 192590), (2470, 115554), (2964, 96295), (3705, 77036), (4940, 57777), (7410, 38518), (14820, 19259)]