20182050

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 63835200

約数和(自身を除く): 43653150

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 43, 45, 50, 63, 70, 75, 86, 90, 105, 126, 129, 149, 150, 175, 210, 215, 225, 258, 298, 301, 315, 350, 387, 430, 447, 450, 525, 602, 630, 645, 745, 774, 894, 903, 1043, 1050, 1075, 1290, 1341, 1490, 1505, 1575, 1806, 1935, 2086, 2150, 2235, 2682, 2709, 3010, 3129, 3150, 3225, 3725, 3870, 4470, 4515, 5215, 5418, 6258, 6407, 6450, 6705, 7450, 7525, 9030, 9387, 9675, 10430, 11175, 12814, 13410, 13545, 15050, 15645, 18774, 19221, 19350, 22350, 22575, 26075, 27090, 31290, 32035, 33525, 38442, 44849, 45150, 46935, 52150, 57663, 64070, 67050, 67725, 78225, 89698, 93870, 96105, 115326, 134547, 135450, 156450, 160175, 192210, 224245, 234675, 269094, 288315, 320350, 403641, 448490, 469350, 480525, 576630, 672735, 807282, 961050, 1121225, 1345470, 1441575, 2018205, 2242450, 2883150, 3363675, 4036410, 6727350, 10091025, 20182050]

約数ペア:

[(1, 20182050), (2, 10091025), (3, 6727350), (5, 4036410), (6, 3363675), (7, 2883150), (9, 2242450), (10, 2018205), (14, 1441575), (15, 1345470), (18, 1121225), (21, 961050), (25, 807282), (30, 672735), (35, 576630), (42, 480525), (43, 469350), (45, 448490), (50, 403641), (63, 320350), (70, 288315), (75, 269094), (86, 234675), (90, 224245), (105, 192210), (126, 160175), (129, 156450), (149, 135450), (150, 134547), (175, 115326), (210, 96105), (215, 93870), (225, 89698), (258, 78225), (298, 67725), (301, 67050), (315, 64070), (350, 57663), (387, 52150), (430, 46935), (447, 45150), (450, 44849), (525, 38442), (602, 33525), (630, 32035), (645, 31290), (745, 27090), (774, 26075), (894, 22575), (903, 22350), (1043, 19350), (1050, 19221), (1075, 18774), (1290, 15645), (1341, 15050), (1490, 13545), (1505, 13410), (1575, 12814), (1806, 11175), (1935, 10430), (2086, 9675), (2150, 9387), (2235, 9030), (2682, 7525), (2709, 7450), (3010, 6705), (3129, 6450), (3150, 6407), (3225, 6258), (3725, 5418), (3870, 5215), (4470, 4515)]