287550340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3061}}^1$

素因数の和:3149

約数の個数: 96

約数和(自身を含む): 765451008

約数和(自身を除く): 477900668

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 61, 70, 77, 110, 122, 140, 154, 220, 244, 305, 308, 385, 427, 610, 671, 770, 854, 1220, 1342, 1540, 1708, 2135, 2684, 3061, 3355, 4270, 4697, 6122, 6710, 8540, 9394, 12244, 13420, 15305, 18788, 21427, 23485, 30610, 33671, 42854, 46970, 61220, 67342, 85708, 93940, 107135, 134684, 168355, 186721, 214270, 235697, 336710, 373442, 428540, 471394, 673420, 746884, 933605, 942788, 1178485, 1307047, 1867210, 2053931, 2356970, 2614094, 3734420, 4107862, 4713940, 5228188, 6535235, 8215724, 10269655, 13070470, 14377517, 20539310, 26140940, 28755034, 41078620, 57510068, 71887585, 143775170, 287550340]

約数ペア:

[(1, 287550340), (2, 143775170), (4, 71887585), (5, 57510068), (7, 41078620), (10, 28755034), (11, 26140940), (14, 20539310), (20, 14377517), (22, 13070470), (28, 10269655), (35, 8215724), (44, 6535235), (55, 5228188), (61, 4713940), (70, 4107862), (77, 3734420), (110, 2614094), (122, 2356970), (140, 2053931), (154, 1867210), (220, 1307047), (244, 1178485), (305, 942788), (308, 933605), (385, 746884), (427, 673420), (610, 471394), (671, 428540), (770, 373442), (854, 336710), (1220, 235697), (1342, 214270), (1540, 186721), (1708, 168355), (2135, 134684), (2684, 107135), (3061, 93940), (3355, 85708), (4270, 67342), (4697, 61220), (6122, 46970), (6710, 42854), (8540, 33671), (9394, 30610), (12244, 23485), (13420, 21427), (15305, 18788)]