280010302

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 518482944

約数和(自身を除く): 238472642

約数列:

[1, 2, 11, 13, 22, 26, 37, 47, 74, 94, 143, 286, 407, 481, 517, 563, 611, 814, 962, 1034, 1126, 1222, 1739, 3478, 5291, 6193, 6721, 7319, 10582, 12386, 13442, 14638, 19129, 20831, 22607, 26461, 38258, 41662, 45214, 52922, 80509, 161018, 229141, 248677, 270803, 291071, 343993, 458282, 497354, 541606, 582142, 687986, 979057, 1958114, 2978833, 3783923, 5957666, 7567846, 10769627, 12727741, 21539254, 25455482, 140005151, 280010302]

約数ペア:

[(1, 280010302), (2, 140005151), (11, 25455482), (13, 21539254), (22, 12727741), (26, 10769627), (37, 7567846), (47, 5957666), (74, 3783923), (94, 2978833), (143, 1958114), (286, 979057), (407, 687986), (481, 582142), (517, 541606), (563, 497354), (611, 458282), (814, 343993), (962, 291071), (1034, 270803), (1126, 248677), (1222, 229141), (1739, 161018), (3478, 80509), (5291, 52922), (6193, 45214), (6721, 41662), (7319, 38258), (10582, 26461), (12386, 22607), (13442, 20831), (14638, 19129)]