209439090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17497}}^1$

素因数の和:17536

約数の個数: 96

約数和(自身を含む): 655125120

約数和(自身を除く): 445686030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1995, 2394, 3990, 5985, 11970, 17497, 34994, 52491, 87485, 104982, 122479, 157473, 174970, 244958, 262455, 314946, 332443, 367437, 524910, 612395, 664886, 734874, 787365, 997329, 1102311, 1224790, 1574730, 1662215, 1837185, 1994658, 2204622, 2327101, 2991987, 3324430, 3674370, 4654202, 4986645, 5511555, 5983974, 6981303, 9973290, 11023110, 11635505, 13962606, 14959935, 20943909, 23271010, 29919870, 34906515, 41887818, 69813030, 104719545, 209439090]

約数ペア:

[(1, 209439090), (2, 104719545), (3, 69813030), (5, 41887818), (6, 34906515), (7, 29919870), (9, 23271010), (10, 20943909), (14, 14959935), (15, 13962606), (18, 11635505), (19, 11023110), (21, 9973290), (30, 6981303), (35, 5983974), (38, 5511555), (42, 4986645), (45, 4654202), (57, 3674370), (63, 3324430), (70, 2991987), (90, 2327101), (95, 2204622), (105, 1994658), (114, 1837185), (126, 1662215), (133, 1574730), (171, 1224790), (190, 1102311), (210, 997329), (266, 787365), (285, 734874), (315, 664886), (342, 612395), (399, 524910), (570, 367437), (630, 332443), (665, 314946), (798, 262455), (855, 244958), (1197, 174970), (1330, 157473), (1710, 122479), (1995, 104982), (2394, 87485), (3990, 52491), (5985, 34994), (11970, 17497)]