1305280172

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 2722567680

約数和(自身を除く): 1417287508

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 179, 217, 271, 358, 434, 542, 716, 868, 961, 1084, 1253, 1897, 1922, 2506, 3794, 3844, 5012, 5549, 6727, 7588, 8401, 11098, 13454, 16802, 22196, 26908, 33604, 38843, 48509, 58807, 77686, 97018, 117614, 155372, 172019, 194036, 235228, 260431, 339563, 344038, 520862, 679126, 688076, 1041724, 1204133, 1358252, 1503779, 1823017, 2408266, 3007558, 3646034, 4816532, 6015116, 7292068, 10526453, 21052906, 42105812, 46617149, 93234298, 186468596, 326320043, 652640086, 1305280172]

約数ペア:

[(1, 1305280172), (2, 652640086), (4, 326320043), (7, 186468596), (14, 93234298), (28, 46617149), (31, 42105812), (62, 21052906), (124, 10526453), (179, 7292068), (217, 6015116), (271, 4816532), (358, 3646034), (434, 3007558), (542, 2408266), (716, 1823017), (868, 1503779), (961, 1358252), (1084, 1204133), (1253, 1041724), (1897, 688076), (1922, 679126), (2506, 520862), (3794, 344038), (3844, 339563), (5012, 260431), (5549, 235228), (6727, 194036), (7588, 172019), (8401, 155372), (11098, 117614), (13454, 97018), (16802, 77686), (22196, 58807), (26908, 48509), (33604, 38843)]