1904439680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20809}}^1$

素因数の和:20852

約数の個数: 128

約数和(自身を含む): 5349002400

約数和(自身を除く): 3444562720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 440, 520, 572, 640, 704, 715, 832, 880, 1040, 1144, 1408, 1430, 1664, 1760, 2080, 2288, 2860, 3520, 4160, 4576, 5720, 7040, 8320, 9152, 11440, 18304, 20809, 22880, 41618, 45760, 83236, 91520, 104045, 166472, 208090, 228899, 270517, 332944, 416180, 457798, 541034, 665888, 832360, 915596, 1082068, 1144495, 1331776, 1352585, 1664720, 1831192, 2164136, 2288990, 2663552, 2705170, 2975687, 3329440, 3662384, 4328272, 4577980, 5410340, 5951374, 6658880, 7324768, 8656544, 9155960, 10820680, 11902748, 13317760, 14649536, 14878435, 17313088, 18311920, 21641360, 23805496, 29299072, 29756870, 34626176, 36623840, 43282720, 47610992, 59513740, 73247680, 86565440, 95221984, 119027480, 146495360, 173130880, 190443968, 238054960, 380887936, 476109920, 952219840, 1904439680]

約数ペア:

[(1, 1904439680), (2, 952219840), (4, 476109920), (5, 380887936), (8, 238054960), (10, 190443968), (11, 173130880), (13, 146495360), (16, 119027480), (20, 95221984), (22, 86565440), (26, 73247680), (32, 59513740), (40, 47610992), (44, 43282720), (52, 36623840), (55, 34626176), (64, 29756870), (65, 29299072), (80, 23805496), (88, 21641360), (104, 18311920), (110, 17313088), (128, 14878435), (130, 14649536), (143, 13317760), (160, 11902748), (176, 10820680), (208, 9155960), (220, 8656544), (260, 7324768), (286, 6658880), (320, 5951374), (352, 5410340), (416, 4577980), (440, 4328272), (520, 3662384), (572, 3329440), (640, 2975687), (704, 2705170), (715, 2663552), (832, 2288990), (880, 2164136), (1040, 1831192), (1144, 1664720), (1408, 1352585), (1430, 1331776), (1664, 1144495), (1760, 1082068), (2080, 915596), (2288, 832360), (2860, 665888), (3520, 541034), (4160, 457798), (4576, 416180), (5720, 332944), (7040, 270517), (8320, 228899), (9152, 208090), (11440, 166472), (18304, 104045), (20809, 91520), (22880, 83236), (41618, 45760)]