204465745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 301916160

約数和(自身を除く): 97450415

約数列:

[1, 5, 11, 19, 23, 47, 55, 95, 115, 181, 209, 235, 253, 437, 517, 893, 905, 1045, 1081, 1265, 1991, 2185, 2585, 3439, 4163, 4465, 4807, 5405, 8507, 9823, 9955, 11891, 17195, 20539, 20815, 24035, 37829, 42535, 45793, 49115, 59455, 79097, 93577, 102695, 161633, 189145, 195661, 225929, 228965, 395485, 467885, 808165, 870067, 978305, 1129645, 1777963, 2152271, 3717559, 4350335, 8889815, 10761355, 18587795, 40893149, 204465745]

約数ペア:

[(1, 204465745), (5, 40893149), (11, 18587795), (19, 10761355), (23, 8889815), (47, 4350335), (55, 3717559), (95, 2152271), (115, 1777963), (181, 1129645), (209, 978305), (235, 870067), (253, 808165), (437, 467885), (517, 395485), (893, 228965), (905, 225929), (1045, 195661), (1081, 189145), (1265, 161633), (1991, 102695), (2185, 93577), (2585, 79097), (3439, 59455), (4163, 49115), (4465, 45793), (4807, 42535), (5405, 37829), (8507, 24035), (9823, 20815), (9955, 20539), (11891, 17195)]