2021625650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 144

約数和(自身を含む): 4462735200

約数和(自身を除く): 2441109550

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 43, 50, 55, 86, 95, 110, 121, 190, 209, 215, 242, 275, 409, 418, 430, 473, 475, 550, 605, 817, 818, 946, 950, 1045, 1075, 1210, 1634, 2045, 2090, 2150, 2299, 2365, 3025, 4085, 4090, 4499, 4598, 4730, 5203, 5225, 6050, 7771, 8170, 8987, 8998, 10225, 10406, 10450, 11495, 11825, 15542, 17587, 17974, 20425, 20450, 22495, 22990, 23650, 26015, 35174, 38855, 40850, 44935, 44990, 49489, 52030, 57475, 77710, 85481, 87935, 89870, 98857, 98978, 112475, 114950, 130075, 170962, 175870, 193457, 194275, 197714, 224675, 224950, 247445, 260150, 334153, 386914, 388550, 427405, 439675, 449350, 494285, 494890, 668306, 854810, 879350, 940291, 967285, 988570, 1237225, 1670765, 1880582, 1934570, 2128027, 2137025, 2471425, 2474450, 3341530, 3675683, 4256054, 4274050, 4701455, 4836425, 4942850, 7351366, 8353825, 9402910, 9672850, 10640135, 16707650, 18378415, 21280270, 23507275, 36756830, 40432513, 47014550, 53200675, 80865026, 91892075, 106401350, 183784150, 202162565, 404325130, 1010812825, 2021625650]

約数ペア:

[(1, 2021625650), (2, 1010812825), (5, 404325130), (10, 202162565), (11, 183784150), (19, 106401350), (22, 91892075), (25, 80865026), (38, 53200675), (43, 47014550), (50, 40432513), (55, 36756830), (86, 23507275), (95, 21280270), (110, 18378415), (121, 16707650), (190, 10640135), (209, 9672850), (215, 9402910), (242, 8353825), (275, 7351366), (409, 4942850), (418, 4836425), (430, 4701455), (473, 4274050), (475, 4256054), (550, 3675683), (605, 3341530), (817, 2474450), (818, 2471425), (946, 2137025), (950, 2128027), (1045, 1934570), (1075, 1880582), (1210, 1670765), (1634, 1237225), (2045, 988570), (2090, 967285), (2150, 940291), (2299, 879350), (2365, 854810), (3025, 668306), (4085, 494890), (4090, 494285), (4499, 449350), (4598, 439675), (4730, 427405), (5203, 388550), (5225, 386914), (6050, 334153), (7771, 260150), (8170, 247445), (8987, 224950), (8998, 224675), (10225, 197714), (10406, 194275), (10450, 193457), (11495, 175870), (11825, 170962), (15542, 130075), (17587, 114950), (17974, 112475), (20425, 98978), (20450, 98857), (22495, 89870), (22990, 87935), (23650, 85481), (26015, 77710), (35174, 57475), (38855, 52030), (40850, 49489), (44935, 44990)]