209949908

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:949

約数の個数: 72

約数和(自身を含む): 452944800

約数和(自身を除く): 242994892

約数列:

[1, 2, 4, 7, 14, 28, 29, 43, 49, 58, 86, 98, 116, 172, 196, 203, 301, 406, 602, 812, 859, 1204, 1247, 1421, 1718, 2107, 2494, 2842, 3436, 4214, 4988, 5684, 6013, 8428, 8729, 12026, 17458, 24052, 24911, 34916, 36937, 42091, 49822, 61103, 73874, 84182, 99644, 122206, 147748, 168364, 174377, 244412, 258559, 348754, 517118, 697508, 1034236, 1071173, 1220639, 1809913, 2142346, 2441278, 3619826, 4284692, 4882556, 7239652, 7498211, 14996422, 29992844, 52487477, 104974954, 209949908]

約数ペア:

[(1, 209949908), (2, 104974954), (4, 52487477), (7, 29992844), (14, 14996422), (28, 7498211), (29, 7239652), (43, 4882556), (49, 4284692), (58, 3619826), (86, 2441278), (98, 2142346), (116, 1809913), (172, 1220639), (196, 1071173), (203, 1034236), (301, 697508), (406, 517118), (602, 348754), (812, 258559), (859, 244412), (1204, 174377), (1247, 168364), (1421, 147748), (1718, 122206), (2107, 99644), (2494, 84182), (2842, 73874), (3436, 61103), (4214, 49822), (4988, 42091), (5684, 36937), (6013, 34916), (8428, 24911), (8729, 24052), (12026, 17458)]