419388640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:281

約数の個数: 192

約数和(自身を含む): 1163973888

約数和(自身を除く): 744585248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 107, 110, 131, 136, 160, 170, 176, 187, 214, 220, 262, 272, 340, 352, 374, 428, 440, 524, 535, 544, 655, 680, 748, 856, 880, 935, 1048, 1070, 1177, 1310, 1360, 1441, 1496, 1712, 1760, 1819, 1870, 2096, 2140, 2227, 2354, 2620, 2720, 2882, 2992, 3424, 3638, 3740, 4192, 4280, 4454, 4708, 5240, 5764, 5885, 5984, 7205, 7276, 7480, 8560, 8908, 9095, 9416, 10480, 11135, 11528, 11770, 14017, 14410, 14552, 14960, 17120, 17816, 18190, 18832, 20009, 20960, 22270, 23056, 23540, 24497, 28034, 28820, 29104, 29920, 35632, 36380, 37664, 40018, 44540, 46112, 47080, 48994, 56068, 57640, 58208, 70085, 71264, 72760, 80036, 89080, 94160, 97988, 100045, 112136, 115280, 122485, 140170, 145520, 154187, 160072, 178160, 188320, 195976, 200090, 224272, 230560, 238289, 244970, 280340, 291040, 308374, 320144, 356320, 391952, 400180, 448544, 476578, 489940, 560680, 616748, 640288, 770935, 783904, 800360, 953156, 979880, 1121360, 1191445, 1233496, 1541870, 1600720, 1906312, 1959760, 2242720, 2382890, 2466992, 2621179, 3083740, 3201440, 3812624, 3919520, 4765780, 4933984, 5242358, 6167480, 7625248, 9531560, 10484716, 12334960, 13105895, 19063120, 20969432, 24669920, 26211790, 38126240, 41938864, 52423580, 83877728, 104847160, 209694320, 419388640]

約数ペア:

[(1, 419388640), (2, 209694320), (4, 104847160), (5, 83877728), (8, 52423580), (10, 41938864), (11, 38126240), (16, 26211790), (17, 24669920), (20, 20969432), (22, 19063120), (32, 13105895), (34, 12334960), (40, 10484716), (44, 9531560), (55, 7625248), (68, 6167480), (80, 5242358), (85, 4933984), (88, 4765780), (107, 3919520), (110, 3812624), (131, 3201440), (136, 3083740), (160, 2621179), (170, 2466992), (176, 2382890), (187, 2242720), (214, 1959760), (220, 1906312), (262, 1600720), (272, 1541870), (340, 1233496), (352, 1191445), (374, 1121360), (428, 979880), (440, 953156), (524, 800360), (535, 783904), (544, 770935), (655, 640288), (680, 616748), (748, 560680), (856, 489940), (880, 476578), (935, 448544), (1048, 400180), (1070, 391952), (1177, 356320), (1310, 320144), (1360, 308374), (1441, 291040), (1496, 280340), (1712, 244970), (1760, 238289), (1819, 230560), (1870, 224272), (2096, 200090), (2140, 195976), (2227, 188320), (2354, 178160), (2620, 160072), (2720, 154187), (2882, 145520), (2992, 140170), (3424, 122485), (3638, 115280), (3740, 112136), (4192, 100045), (4280, 97988), (4454, 94160), (4708, 89080), (5240, 80036), (5764, 72760), (5885, 71264), (5984, 70085), (7205, 58208), (7276, 57640), (7480, 56068), (8560, 48994), (8908, 47080), (9095, 46112), (9416, 44540), (10480, 40018), (11135, 37664), (11528, 36380), (11770, 35632), (14017, 29920), (14410, 29104), (14552, 28820), (14960, 28034), (17120, 24497), (17816, 23540), (18190, 23056), (18832, 22270), (20009, 20960)]