287676295

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 405409536

約数和(自身を除く): 117733241

約数列:

[1, 5, 17, 23, 37, 41, 85, 97, 115, 185, 205, 391, 485, 629, 697, 851, 943, 1517, 1649, 1955, 2231, 3145, 3485, 3589, 3977, 4255, 4715, 7585, 8245, 11155, 14467, 16031, 17945, 19885, 25789, 34891, 37927, 61013, 67609, 72335, 80155, 82547, 91471, 128945, 147149, 174455, 189635, 305065, 338045, 412735, 457355, 593147, 735745, 1403299, 1555007, 2501533, 2965735, 3384427, 7016495, 7775035, 12507665, 16922135, 57535259, 287676295]

約数ペア:

[(1, 287676295), (5, 57535259), (17, 16922135), (23, 12507665), (37, 7775035), (41, 7016495), (85, 3384427), (97, 2965735), (115, 2501533), (185, 1555007), (205, 1403299), (391, 735745), (485, 593147), (629, 457355), (697, 412735), (851, 338045), (943, 305065), (1517, 189635), (1649, 174455), (1955, 147149), (2231, 128945), (3145, 91471), (3485, 82547), (3589, 80155), (3977, 72335), (4255, 67609), (4715, 61013), (7585, 37927), (8245, 34891), (11155, 25789), (14467, 19885), (16031, 17945)]