208379210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1783}}^1$

素因数の和:1863

約数の個数: 64

約数和(自身を含む): 431585280

約数和(自身を除く): 223206070

約数列:

[1, 2, 5, 10, 13, 26, 29, 31, 58, 62, 65, 130, 145, 155, 290, 310, 377, 403, 754, 806, 899, 1783, 1798, 1885, 2015, 3566, 3770, 4030, 4495, 8915, 8990, 11687, 17830, 23179, 23374, 46358, 51707, 55273, 58435, 103414, 110546, 115895, 116870, 231790, 258535, 276365, 517070, 552730, 672191, 718549, 1344382, 1437098, 1602917, 3205834, 3360955, 3592745, 6721910, 7185490, 8014585, 16029170, 20837921, 41675842, 104189605, 208379210]

約数ペア:

[(1, 208379210), (2, 104189605), (5, 41675842), (10, 20837921), (13, 16029170), (26, 8014585), (29, 7185490), (31, 6721910), (58, 3592745), (62, 3360955), (65, 3205834), (130, 1602917), (145, 1437098), (155, 1344382), (290, 718549), (310, 672191), (377, 552730), (403, 517070), (754, 276365), (806, 258535), (899, 231790), (1783, 116870), (1798, 115895), (1885, 110546), (2015, 103414), (3566, 58435), (3770, 55273), (4030, 51707), (4495, 46358), (8915, 23374), (8990, 23179), (11687, 17830)]