245278448

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1606

約数の個数: 80

約数和(自身を含む): 547107840

約数和(自身を除く): 301829392

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 248, 272, 304, 323, 496, 527, 589, 646, 1054, 1178, 1292, 1531, 2108, 2356, 2584, 3062, 4216, 4712, 5168, 6124, 8432, 9424, 10013, 12248, 20026, 24496, 26027, 29089, 40052, 47461, 52054, 58178, 80104, 94922, 104108, 116356, 160208, 189844, 208216, 232712, 379688, 416432, 465424, 494513, 759376, 806837, 901759, 989026, 1613674, 1803518, 1978052, 3227348, 3607036, 3956104, 6454696, 7214072, 7912208, 12909392, 14428144, 15329903, 30659806, 61319612, 122639224, 245278448]

約数ペア:

[(1, 245278448), (2, 122639224), (4, 61319612), (8, 30659806), (16, 15329903), (17, 14428144), (19, 12909392), (31, 7912208), (34, 7214072), (38, 6454696), (62, 3956104), (68, 3607036), (76, 3227348), (124, 1978052), (136, 1803518), (152, 1613674), (248, 989026), (272, 901759), (304, 806837), (323, 759376), (496, 494513), (527, 465424), (589, 416432), (646, 379688), (1054, 232712), (1178, 208216), (1292, 189844), (1531, 160208), (2108, 116356), (2356, 104108), (2584, 94922), (3062, 80104), (4216, 58178), (4712, 52054), (5168, 47461), (6124, 40052), (8432, 29089), (9424, 26027), (10013, 24496), (12248, 20026)]