20190450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 60558624

約数和(自身を除く): 40368174

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 41, 42, 49, 50, 67, 70, 75, 82, 98, 105, 123, 134, 147, 150, 175, 201, 205, 210, 245, 246, 287, 294, 335, 350, 402, 410, 469, 490, 525, 574, 615, 670, 735, 861, 938, 1005, 1025, 1050, 1225, 1230, 1407, 1435, 1470, 1675, 1722, 2009, 2010, 2050, 2345, 2450, 2747, 2814, 2870, 3075, 3283, 3350, 3675, 4018, 4305, 4690, 5025, 5494, 6027, 6150, 6566, 7035, 7175, 7350, 8241, 8610, 9849, 10045, 10050, 11725, 12054, 13735, 14070, 14350, 16415, 16482, 19229, 19698, 20090, 21525, 23450, 27470, 30135, 32830, 35175, 38458, 41205, 43050, 49245, 50225, 57687, 60270, 68675, 70350, 82075, 82410, 96145, 98490, 100450, 115374, 134603, 137350, 150675, 164150, 192290, 206025, 246225, 269206, 288435, 301350, 403809, 412050, 480725, 492450, 576870, 673015, 807618, 961450, 1346030, 1442175, 2019045, 2884350, 3365075, 4038090, 6730150, 10095225, 20190450]

約数ペア:

[(1, 20190450), (2, 10095225), (3, 6730150), (5, 4038090), (6, 3365075), (7, 2884350), (10, 2019045), (14, 1442175), (15, 1346030), (21, 961450), (25, 807618), (30, 673015), (35, 576870), (41, 492450), (42, 480725), (49, 412050), (50, 403809), (67, 301350), (70, 288435), (75, 269206), (82, 246225), (98, 206025), (105, 192290), (123, 164150), (134, 150675), (147, 137350), (150, 134603), (175, 115374), (201, 100450), (205, 98490), (210, 96145), (245, 82410), (246, 82075), (287, 70350), (294, 68675), (335, 60270), (350, 57687), (402, 50225), (410, 49245), (469, 43050), (490, 41205), (525, 38458), (574, 35175), (615, 32830), (670, 30135), (735, 27470), (861, 23450), (938, 21525), (1005, 20090), (1025, 19698), (1050, 19229), (1225, 16482), (1230, 16415), (1407, 14350), (1435, 14070), (1470, 13735), (1675, 12054), (1722, 11725), (2009, 10050), (2010, 10045), (2050, 9849), (2345, 8610), (2450, 8241), (2747, 7350), (2814, 7175), (2870, 7035), (3075, 6566), (3283, 6150), (3350, 6027), (3675, 5494), (4018, 5025), (4305, 4690)]