215046100

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^2\times {\mathrm{181}}^1$

素因数の和:413

約数の個数: 54

約数和(自身を含む): 473572554

約数和(自身を除く): 258526454

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 181, 218, 362, 436, 545, 724, 905, 1090, 1810, 2180, 2725, 3620, 4525, 5450, 9050, 10900, 11881, 18100, 19729, 23762, 39458, 47524, 59405, 78916, 98645, 118810, 197290, 237620, 297025, 394580, 493225, 594050, 986450, 1188100, 1972900, 2150461, 4300922, 8601844, 10752305, 21504610, 43009220, 53761525, 107523050, 215046100]

約数ペア:

[(1, 215046100), (2, 107523050), (4, 53761525), (5, 43009220), (10, 21504610), (20, 10752305), (25, 8601844), (50, 4300922), (100, 2150461), (109, 1972900), (181, 1188100), (218, 986450), (362, 594050), (436, 493225), (545, 394580), (724, 297025), (905, 237620), (1090, 197290), (1810, 118810), (2180, 98645), (2725, 78916), (3620, 59405), (4525, 47524), (5450, 39458), (9050, 23762), (10900, 19729), (11881, 18100)]