257674270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{971}}^1$

素因数の和:1225

約数の個数: 64

約数和(自身を含む): 564350976

約数和(自身を除く): 306676706

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 223, 238, 446, 595, 971, 1115, 1190, 1561, 1942, 2230, 3122, 3791, 4855, 6797, 7582, 7805, 9710, 13594, 15610, 16507, 18955, 26537, 33014, 33985, 37910, 53074, 67970, 82535, 115549, 132685, 165070, 216533, 231098, 265370, 433066, 577745, 1082665, 1155490, 1515731, 2165330, 3031462, 3681061, 7362122, 7578655, 15157310, 18405305, 25767427, 36810610, 51534854, 128837135, 257674270]

約数ペア:

[(1, 257674270), (2, 128837135), (5, 51534854), (7, 36810610), (10, 25767427), (14, 18405305), (17, 15157310), (34, 7578655), (35, 7362122), (70, 3681061), (85, 3031462), (119, 2165330), (170, 1515731), (223, 1155490), (238, 1082665), (446, 577745), (595, 433066), (971, 265370), (1115, 231098), (1190, 216533), (1561, 165070), (1942, 132685), (2230, 115549), (3122, 82535), (3791, 67970), (4855, 53074), (6797, 37910), (7582, 33985), (7805, 33014), (9710, 26537), (13594, 18955), (15610, 16507)]