225716540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1657}}^1$

素因数の和:1819

約数の個数: 72

約数和(自身を含む): 555695280

約数和(自身を除く): 329978740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 490, 556, 695, 973, 980, 1390, 1657, 1946, 2780, 3314, 3892, 4865, 6628, 6811, 8285, 9730, 11599, 13622, 16570, 19460, 23198, 27244, 33140, 34055, 46396, 57995, 68110, 81193, 115990, 136220, 162386, 230323, 231980, 324772, 405965, 460646, 811930, 921292, 1151615, 1612261, 1623860, 2303230, 3224522, 4606460, 6449044, 8061305, 11285827, 16122610, 22571654, 32245220, 45143308, 56429135, 112858270, 225716540]

約数ペア:

[(1, 225716540), (2, 112858270), (4, 56429135), (5, 45143308), (7, 32245220), (10, 22571654), (14, 16122610), (20, 11285827), (28, 8061305), (35, 6449044), (49, 4606460), (70, 3224522), (98, 2303230), (139, 1623860), (140, 1612261), (196, 1151615), (245, 921292), (278, 811930), (490, 460646), (556, 405965), (695, 324772), (973, 231980), (980, 230323), (1390, 162386), (1657, 136220), (1946, 115990), (2780, 81193), (3314, 68110), (3892, 57995), (4865, 46396), (6628, 34055), (6811, 33140), (8285, 27244), (9730, 23198), (11599, 19460), (13622, 16570)]