16271900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 37914240

約数和(自身を除く): 21642340

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 100, 116, 124, 145, 155, 181, 290, 310, 362, 580, 620, 724, 725, 775, 899, 905, 1450, 1550, 1798, 1810, 2900, 3100, 3596, 3620, 4495, 4525, 5249, 5611, 8990, 9050, 10498, 11222, 17980, 18100, 20996, 22444, 22475, 26245, 28055, 44950, 52490, 56110, 89900, 104980, 112220, 131225, 140275, 162719, 262450, 280550, 325438, 524900, 561100, 650876, 813595, 1627190, 3254380, 4067975, 8135950, 16271900]

約数ペア:

[(1, 16271900), (2, 8135950), (4, 4067975), (5, 3254380), (10, 1627190), (20, 813595), (25, 650876), (29, 561100), (31, 524900), (50, 325438), (58, 280550), (62, 262450), (100, 162719), (116, 140275), (124, 131225), (145, 112220), (155, 104980), (181, 89900), (290, 56110), (310, 52490), (362, 44950), (580, 28055), (620, 26245), (724, 22475), (725, 22444), (775, 20996), (899, 18100), (905, 17980), (1450, 11222), (1550, 10498), (1798, 9050), (1810, 8990), (2900, 5611), (3100, 5249), (3596, 4525), (3620, 4495)]