419713980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1559}}^1$

素因数の和:2219

約数の個数: 96

約数和(自身を含む): 1346042880

約数和(自身を除く): 926328900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 641, 1282, 1559, 1923, 2564, 3118, 3205, 3846, 4487, 4677, 6236, 6410, 7692, 7795, 8974, 9354, 9615, 10913, 12820, 13461, 15590, 17948, 18708, 19230, 21826, 22435, 23385, 26922, 31180, 32739, 38460, 43652, 44870, 46770, 53844, 54565, 65478, 67305, 89740, 93540, 109130, 130956, 134610, 163695, 218260, 269220, 327390, 654780, 999319, 1998638, 2997957, 3997276, 4996595, 5995914, 6995233, 9993190, 11991828, 13990466, 14989785, 19986380, 20985699, 27980932, 29979570, 34976165, 41971398, 59959140, 69952330, 83942796, 104928495, 139904660, 209856990, 419713980]

約数ペア:

[(1, 419713980), (2, 209856990), (3, 139904660), (4, 104928495), (5, 83942796), (6, 69952330), (7, 59959140), (10, 41971398), (12, 34976165), (14, 29979570), (15, 27980932), (20, 20985699), (21, 19986380), (28, 14989785), (30, 13990466), (35, 11991828), (42, 9993190), (60, 6995233), (70, 5995914), (84, 4996595), (105, 3997276), (140, 2997957), (210, 1998638), (420, 999319), (641, 654780), (1282, 327390), (1559, 269220), (1923, 218260), (2564, 163695), (3118, 134610), (3205, 130956), (3846, 109130), (4487, 93540), (4677, 89740), (6236, 67305), (6410, 65478), (7692, 54565), (7795, 53844), (8974, 46770), (9354, 44870), (9615, 43652), (10913, 38460), (12820, 32739), (13461, 31180), (15590, 26922), (17948, 23385), (18708, 22435), (19230, 21826)]