257500870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5987}}^1$

素因数の和:6045

約数の個数: 64

約数和(自身を含む): 558752256

約数和(自身を除く): 301251386

約数列:

[1, 2, 5, 10, 11, 17, 22, 23, 34, 46, 55, 85, 110, 115, 170, 187, 230, 253, 374, 391, 506, 782, 935, 1265, 1870, 1955, 2530, 3910, 4301, 5987, 8602, 11974, 21505, 29935, 43010, 59870, 65857, 101779, 131714, 137701, 203558, 275402, 329285, 508895, 658570, 688505, 1017790, 1119569, 1377010, 1514711, 2239138, 2340917, 3029422, 4681834, 5597845, 7573555, 11195690, 11704585, 15147110, 23409170, 25750087, 51500174, 128750435, 257500870]

約数ペア:

[(1, 257500870), (2, 128750435), (5, 51500174), (10, 25750087), (11, 23409170), (17, 15147110), (22, 11704585), (23, 11195690), (34, 7573555), (46, 5597845), (55, 4681834), (85, 3029422), (110, 2340917), (115, 2239138), (170, 1514711), (187, 1377010), (230, 1119569), (253, 1017790), (374, 688505), (391, 658570), (506, 508895), (782, 329285), (935, 275402), (1265, 203558), (1870, 137701), (1955, 131714), (2530, 101779), (3910, 65857), (4301, 59870), (5987, 43010), (8602, 29935), (11974, 21505)]