320425144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1381}}^1$

素因数の和:1520

約数の個数: 64

約数和(自身を含む): 682597440

約数和(自身を除く): 362172296

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 97, 104, 184, 194, 299, 388, 598, 776, 1196, 1261, 1381, 2231, 2392, 2522, 2762, 4462, 5044, 5524, 8924, 10088, 11048, 17848, 17953, 29003, 31763, 35906, 58006, 63526, 71812, 116012, 127052, 133957, 143624, 232024, 254104, 267914, 412919, 535828, 825838, 1071656, 1651676, 1741441, 3081011, 3303352, 3482882, 6162022, 6965764, 12324044, 13931528, 24648088, 40053143, 80106286, 160212572, 320425144]

約数ペア:

[(1, 320425144), (2, 160212572), (4, 80106286), (8, 40053143), (13, 24648088), (23, 13931528), (26, 12324044), (46, 6965764), (52, 6162022), (92, 3482882), (97, 3303352), (104, 3081011), (184, 1741441), (194, 1651676), (299, 1071656), (388, 825838), (598, 535828), (776, 412919), (1196, 267914), (1261, 254104), (1381, 232024), (2231, 143624), (2392, 133957), (2522, 127052), (2762, 116012), (4462, 71812), (5044, 63526), (5524, 58006), (8924, 35906), (10088, 31763), (11048, 29003), (17848, 17953)]