263528020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{367}}^1$

素因数の和:629

約数の個数: 96

約数和(自身を含む): 664731648

約数和(自身を除く): 401203628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 223, 230, 322, 367, 446, 460, 644, 734, 805, 892, 1115, 1468, 1561, 1610, 1835, 2230, 2569, 3122, 3220, 3670, 4460, 5129, 5138, 6244, 7340, 7805, 8441, 10258, 10276, 12845, 15610, 16882, 20516, 25645, 25690, 31220, 33764, 35903, 42205, 51290, 51380, 59087, 71806, 81841, 84410, 102580, 118174, 143612, 163682, 168820, 179515, 236348, 295435, 327364, 359030, 409205, 572887, 590870, 718060, 818410, 1145774, 1181740, 1636820, 1882343, 2291548, 2864435, 3764686, 5728870, 7529372, 9411715, 11457740, 13176401, 18823430, 26352802, 37646860, 52705604, 65882005, 131764010, 263528020]

約数ペア:

[(1, 263528020), (2, 131764010), (4, 65882005), (5, 52705604), (7, 37646860), (10, 26352802), (14, 18823430), (20, 13176401), (23, 11457740), (28, 9411715), (35, 7529372), (46, 5728870), (70, 3764686), (92, 2864435), (115, 2291548), (140, 1882343), (161, 1636820), (223, 1181740), (230, 1145774), (322, 818410), (367, 718060), (446, 590870), (460, 572887), (644, 409205), (734, 359030), (805, 327364), (892, 295435), (1115, 236348), (1468, 179515), (1561, 168820), (1610, 163682), (1835, 143612), (2230, 118174), (2569, 102580), (3122, 84410), (3220, 81841), (3670, 71806), (4460, 59087), (5129, 51380), (5138, 51290), (6244, 42205), (7340, 35903), (7805, 33764), (8441, 31220), (10258, 25690), (10276, 25645), (12845, 20516), (15610, 16882)]