2123809360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{2917}}^1$

素因数の和:3428

約数の個数: 80

約数和(自身を含む): 5210380800

約数和(自身を除く): 3086571440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 479, 760, 958, 1520, 1916, 2395, 2917, 3832, 4790, 5834, 7664, 9101, 9580, 11668, 14585, 18202, 19160, 23336, 29170, 36404, 38320, 45505, 46672, 55423, 58340, 72808, 91010, 110846, 116680, 145616, 182020, 221692, 233360, 277115, 364040, 443384, 554230, 728080, 886768, 1108460, 1397243, 2216920, 2794486, 4433840, 5588972, 6986215, 11177944, 13972430, 22355888, 26547617, 27944860, 53095234, 55889720, 106190468, 111779440, 132738085, 212380936, 265476170, 424761872, 530952340, 1061904680, 2123809360]

約数ペア:

[(1, 2123809360), (2, 1061904680), (4, 530952340), (5, 424761872), (8, 265476170), (10, 212380936), (16, 132738085), (19, 111779440), (20, 106190468), (38, 55889720), (40, 53095234), (76, 27944860), (80, 26547617), (95, 22355888), (152, 13972430), (190, 11177944), (304, 6986215), (380, 5588972), (479, 4433840), (760, 2794486), (958, 2216920), (1520, 1397243), (1916, 1108460), (2395, 886768), (2917, 728080), (3832, 554230), (4790, 443384), (5834, 364040), (7664, 277115), (9101, 233360), (9580, 221692), (11668, 182020), (14585, 145616), (18202, 116680), (19160, 110846), (23336, 91010), (29170, 72808), (36404, 58340), (38320, 55423), (45505, 46672)]