220219188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{101}}^2\times {\mathrm{257}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 595430976

約数和(自身を除く): 375211788

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 101, 202, 257, 303, 404, 514, 606, 707, 771, 1028, 1212, 1414, 1542, 1799, 2121, 2828, 3084, 3598, 4242, 5397, 7196, 8484, 10201, 10794, 20402, 21588, 25957, 30603, 40804, 51914, 61206, 71407, 77871, 103828, 122412, 142814, 155742, 181699, 214221, 285628, 311484, 363398, 428442, 545097, 726796, 856884, 1090194, 2180388, 2621657, 5243314, 7864971, 10486628, 15729942, 18351599, 31459884, 36703198, 55054797, 73406396, 110109594, 220219188]

約数ペア:

[(1, 220219188), (2, 110109594), (3, 73406396), (4, 55054797), (6, 36703198), (7, 31459884), (12, 18351599), (14, 15729942), (21, 10486628), (28, 7864971), (42, 5243314), (84, 2621657), (101, 2180388), (202, 1090194), (257, 856884), (303, 726796), (404, 545097), (514, 428442), (606, 363398), (707, 311484), (771, 285628), (1028, 214221), (1212, 181699), (1414, 155742), (1542, 142814), (1799, 122412), (2121, 103828), (2828, 77871), (3084, 71407), (3598, 61206), (4242, 51914), (5397, 40804), (7196, 30603), (8484, 25957), (10201, 21588), (10794, 20402)]