285440272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 624960000

約数和(自身を除く): 339519728

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 79, 104, 116, 158, 208, 232, 316, 377, 464, 599, 632, 754, 1027, 1198, 1264, 1508, 2054, 2291, 2396, 3016, 4108, 4582, 4792, 6032, 7787, 8216, 9164, 9584, 15574, 16432, 17371, 18328, 29783, 31148, 34742, 36656, 47321, 59566, 62296, 69484, 94642, 119132, 124592, 138968, 189284, 225823, 238264, 277936, 378568, 451646, 476528, 615173, 757136, 903292, 1230346, 1372309, 1806584, 2460692, 2744618, 3613168, 4921384, 5489236, 9842768, 10978472, 17840017, 21956944, 35680034, 71360068, 142720136, 285440272]

約数ペア:

[(1, 285440272), (2, 142720136), (4, 71360068), (8, 35680034), (13, 21956944), (16, 17840017), (26, 10978472), (29, 9842768), (52, 5489236), (58, 4921384), (79, 3613168), (104, 2744618), (116, 2460692), (158, 1806584), (208, 1372309), (232, 1230346), (316, 903292), (377, 757136), (464, 615173), (599, 476528), (632, 451646), (754, 378568), (1027, 277936), (1198, 238264), (1264, 225823), (1508, 189284), (2054, 138968), (2291, 124592), (2396, 119132), (3016, 94642), (4108, 69484), (4582, 62296), (4792, 59566), (6032, 47321), (7787, 36656), (8216, 34742), (9164, 31148), (9584, 29783), (15574, 18328), (16432, 17371)]