211325240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{787}}^1$

素因数の和:949

約数の個数: 96

約数和(自身を含む): 557856720

約数和(自身を除く): 346531480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 137, 140, 196, 245, 274, 280, 392, 490, 548, 685, 787, 959, 980, 1096, 1370, 1574, 1918, 1960, 2740, 3148, 3836, 3935, 4795, 5480, 5509, 6296, 6713, 7672, 7870, 9590, 11018, 13426, 15740, 19180, 22036, 26852, 27545, 31480, 33565, 38360, 38563, 44072, 53704, 55090, 67130, 77126, 107819, 110180, 134260, 154252, 192815, 215638, 220360, 268520, 308504, 385630, 431276, 539095, 754733, 771260, 862552, 1078190, 1509466, 1542520, 2156380, 3018932, 3773665, 4312760, 5283131, 6037864, 7547330, 10566262, 15094660, 21132524, 26415655, 30189320, 42265048, 52831310, 105662620, 211325240]

約数ペア:

[(1, 211325240), (2, 105662620), (4, 52831310), (5, 42265048), (7, 30189320), (8, 26415655), (10, 21132524), (14, 15094660), (20, 10566262), (28, 7547330), (35, 6037864), (40, 5283131), (49, 4312760), (56, 3773665), (70, 3018932), (98, 2156380), (137, 1542520), (140, 1509466), (196, 1078190), (245, 862552), (274, 771260), (280, 754733), (392, 539095), (490, 431276), (548, 385630), (685, 308504), (787, 268520), (959, 220360), (980, 215638), (1096, 192815), (1370, 154252), (1574, 134260), (1918, 110180), (1960, 107819), (2740, 77126), (3148, 67130), (3836, 55090), (3935, 53704), (4795, 44072), (5480, 38563), (5509, 38360), (6296, 33565), (6713, 31480), (7672, 27545), (7870, 26852), (9590, 22036), (11018, 19180), (13426, 15740)]