285954788

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2477}}^1$

素因数の和:2545

約数の個数: 72

約数和(自身を含む): 632782080

約数和(自身を除く): 346827292

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 49, 62, 76, 98, 124, 133, 196, 217, 266, 434, 532, 589, 868, 931, 1178, 1519, 1862, 2356, 2477, 3038, 3724, 4123, 4954, 6076, 8246, 9908, 16492, 17339, 28861, 34678, 47063, 57722, 69356, 76787, 94126, 115444, 121373, 153574, 188252, 242746, 307148, 329441, 485492, 537509, 658882, 1075018, 1317764, 1458953, 2150036, 2306087, 2917906, 3762563, 4612174, 5835812, 7525126, 9224348, 10212671, 15050252, 20425342, 40850684, 71488697, 142977394, 285954788]

約数ペア:

[(1, 285954788), (2, 142977394), (4, 71488697), (7, 40850684), (14, 20425342), (19, 15050252), (28, 10212671), (31, 9224348), (38, 7525126), (49, 5835812), (62, 4612174), (76, 3762563), (98, 2917906), (124, 2306087), (133, 2150036), (196, 1458953), (217, 1317764), (266, 1075018), (434, 658882), (532, 537509), (589, 485492), (868, 329441), (931, 307148), (1178, 242746), (1519, 188252), (1862, 153574), (2356, 121373), (2477, 115444), (3038, 94126), (3724, 76787), (4123, 69356), (4954, 57722), (6076, 47063), (8246, 34678), (9908, 28861), (16492, 17339)]