208545232

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1109}}^1$

素因数の和:1220

約数の個数: 80

約数和(自身を含む): 488897280

約数和(自身を除く): 280352048

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 73, 92, 112, 146, 161, 184, 292, 322, 368, 511, 584, 644, 1022, 1109, 1168, 1288, 1679, 2044, 2218, 2576, 3358, 4088, 4436, 6716, 7763, 8176, 8872, 11753, 13432, 15526, 17744, 23506, 25507, 26864, 31052, 47012, 51014, 62104, 80957, 94024, 102028, 124208, 161914, 178549, 188048, 204056, 323828, 357098, 408112, 566699, 647656, 714196, 1133398, 1295312, 1428392, 1862011, 2266796, 2856784, 3724022, 4533592, 7448044, 9067184, 13034077, 14896088, 26068154, 29792176, 52136308, 104272616, 208545232]

約数ペア:

[(1, 208545232), (2, 104272616), (4, 52136308), (7, 29792176), (8, 26068154), (14, 14896088), (16, 13034077), (23, 9067184), (28, 7448044), (46, 4533592), (56, 3724022), (73, 2856784), (92, 2266796), (112, 1862011), (146, 1428392), (161, 1295312), (184, 1133398), (292, 714196), (322, 647656), (368, 566699), (511, 408112), (584, 357098), (644, 323828), (1022, 204056), (1109, 188048), (1168, 178549), (1288, 161914), (1679, 124208), (2044, 102028), (2218, 94024), (2576, 80957), (3358, 62104), (4088, 51014), (4436, 47012), (6716, 31052), (7763, 26864), (8176, 25507), (8872, 23506), (11753, 17744), (13432, 15526)]