201722840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{15809}}^1$

素因数の和:15860

約数の個数: 64

約数和(自身を含む): 512244000

約数和(自身を除く): 310521160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6380, 12760, 15809, 31618, 63236, 79045, 126472, 158090, 173899, 316180, 347798, 458461, 632360, 695596, 869495, 916922, 1391192, 1738990, 1833844, 2292305, 3477980, 3667688, 4584610, 5043071, 6955960, 9169220, 10086142, 18338440, 20172284, 25215355, 40344568, 50430710, 100861420, 201722840]

約数ペア:

[(1, 201722840), (2, 100861420), (4, 50430710), (5, 40344568), (8, 25215355), (10, 20172284), (11, 18338440), (20, 10086142), (22, 9169220), (29, 6955960), (40, 5043071), (44, 4584610), (55, 3667688), (58, 3477980), (88, 2292305), (110, 1833844), (116, 1738990), (145, 1391192), (220, 916922), (232, 869495), (290, 695596), (319, 632360), (440, 458461), (580, 347798), (638, 316180), (1160, 173899), (1276, 158090), (1595, 126472), (2552, 79045), (3190, 63236), (6380, 31618), (12760, 15809)]