204507380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 555714432

約数和(自身を除く): 351207052

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 61, 70, 77, 98, 110, 122, 140, 154, 196, 220, 244, 245, 305, 308, 311, 385, 427, 490, 539, 610, 622, 671, 770, 854, 980, 1078, 1220, 1244, 1342, 1540, 1555, 1708, 2135, 2156, 2177, 2684, 2695, 2989, 3110, 3355, 3421, 4270, 4354, 4697, 5390, 5978, 6220, 6710, 6842, 8540, 8708, 9394, 10780, 10885, 11956, 13420, 13684, 14945, 15239, 17105, 18788, 18971, 21770, 23485, 23947, 29890, 30478, 32879, 34210, 37942, 43540, 46970, 47894, 59780, 60956, 65758, 68420, 75884, 76195, 93940, 94855, 95788, 119735, 131516, 132797, 152390, 164395, 167629, 189710, 208681, 239470, 265594, 304780, 328790, 335258, 379420, 417362, 478940, 531188, 657580, 663985, 670516, 834724, 838145, 929579, 1043405, 1327970, 1460767, 1676290, 1859158, 2086810, 2655940, 2921534, 3352580, 3718316, 4173620, 4647895, 5843068, 7303835, 9295790, 10225369, 14607670, 18591580, 20450738, 29215340, 40901476, 51126845, 102253690, 204507380]

約数ペア:

[(1, 204507380), (2, 102253690), (4, 51126845), (5, 40901476), (7, 29215340), (10, 20450738), (11, 18591580), (14, 14607670), (20, 10225369), (22, 9295790), (28, 7303835), (35, 5843068), (44, 4647895), (49, 4173620), (55, 3718316), (61, 3352580), (70, 2921534), (77, 2655940), (98, 2086810), (110, 1859158), (122, 1676290), (140, 1460767), (154, 1327970), (196, 1043405), (220, 929579), (244, 838145), (245, 834724), (305, 670516), (308, 663985), (311, 657580), (385, 531188), (427, 478940), (490, 417362), (539, 379420), (610, 335258), (622, 328790), (671, 304780), (770, 265594), (854, 239470), (980, 208681), (1078, 189710), (1220, 167629), (1244, 164395), (1342, 152390), (1540, 132797), (1555, 131516), (1708, 119735), (2135, 95788), (2156, 94855), (2177, 93940), (2684, 76195), (2695, 75884), (2989, 68420), (3110, 65758), (3355, 60956), (3421, 59780), (4270, 47894), (4354, 46970), (4697, 43540), (5390, 37942), (5978, 34210), (6220, 32879), (6710, 30478), (6842, 29890), (8540, 23947), (8708, 23485), (9394, 21770), (10780, 18971), (10885, 18788), (11956, 17105), (13420, 15239), (13684, 14945)]