199620680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 541900800

約数和(自身を除く): 342280120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 139, 140, 161, 184, 223, 230, 278, 280, 322, 446, 460, 556, 644, 695, 805, 892, 920, 973, 1112, 1115, 1288, 1390, 1561, 1610, 1784, 1946, 2230, 2780, 3122, 3197, 3220, 3892, 4460, 4865, 5129, 5560, 6244, 6394, 6440, 7784, 7805, 8920, 9730, 10258, 12488, 12788, 15610, 15985, 19460, 20516, 22379, 25576, 25645, 30997, 31220, 31970, 35903, 38920, 41032, 44758, 51290, 61994, 62440, 63940, 71806, 89516, 102580, 111895, 123988, 127880, 143612, 154985, 179032, 179515, 205160, 216979, 223790, 247976, 287224, 309970, 359030, 433958, 447580, 619940, 712931, 718060, 867916, 895160, 1084895, 1239880, 1425862, 1436120, 1735832, 2169790, 2851724, 3564655, 4339580, 4990517, 5703448, 7129310, 8679160, 9981034, 14258620, 19962068, 24952585, 28517240, 39924136, 49905170, 99810340, 199620680]

約数ペア:

[(1, 199620680), (2, 99810340), (4, 49905170), (5, 39924136), (7, 28517240), (8, 24952585), (10, 19962068), (14, 14258620), (20, 9981034), (23, 8679160), (28, 7129310), (35, 5703448), (40, 4990517), (46, 4339580), (56, 3564655), (70, 2851724), (92, 2169790), (115, 1735832), (139, 1436120), (140, 1425862), (161, 1239880), (184, 1084895), (223, 895160), (230, 867916), (278, 718060), (280, 712931), (322, 619940), (446, 447580), (460, 433958), (556, 359030), (644, 309970), (695, 287224), (805, 247976), (892, 223790), (920, 216979), (973, 205160), (1112, 179515), (1115, 179032), (1288, 154985), (1390, 143612), (1561, 127880), (1610, 123988), (1784, 111895), (1946, 102580), (2230, 89516), (2780, 71806), (3122, 63940), (3197, 62440), (3220, 61994), (3892, 51290), (4460, 44758), (4865, 41032), (5129, 38920), (5560, 35903), (6244, 31970), (6394, 31220), (6440, 30997), (7784, 25645), (7805, 25576), (8920, 22379), (9730, 20516), (10258, 19460), (12488, 15985), (12788, 15610)]