199399072

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:510

約数の個数: 72

約数和(自身を含む): 425429172

約数和(自身を除く): 226030100

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 76, 82, 152, 164, 304, 328, 361, 421, 608, 656, 722, 779, 842, 1312, 1444, 1558, 1684, 2888, 3116, 3368, 5776, 6232, 6736, 7999, 11552, 12464, 13472, 14801, 15998, 17261, 24928, 29602, 31996, 34522, 59204, 63992, 69044, 118408, 127984, 138088, 151981, 236816, 255968, 276176, 303962, 327959, 473632, 552352, 607924, 655918, 1215848, 1311836, 2431696, 2623672, 4863392, 5247344, 6231221, 10494688, 12462442, 24924884, 49849768, 99699536, 199399072]

約数ペア:

[(1, 199399072), (2, 99699536), (4, 49849768), (8, 24924884), (16, 12462442), (19, 10494688), (32, 6231221), (38, 5247344), (41, 4863392), (76, 2623672), (82, 2431696), (152, 1311836), (164, 1215848), (304, 655918), (328, 607924), (361, 552352), (421, 473632), (608, 327959), (656, 303962), (722, 276176), (779, 255968), (842, 236816), (1312, 151981), (1444, 138088), (1558, 127984), (1684, 118408), (2888, 69044), (3116, 63992), (3368, 59204), (5776, 34522), (6232, 31996), (6736, 29602), (7999, 24928), (11552, 17261), (12464, 15998), (13472, 14801)]