199954340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 467970048

約数和(自身を除く): 268015708

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 61, 62, 68, 85, 122, 124, 155, 170, 244, 305, 310, 311, 340, 527, 610, 620, 622, 1037, 1054, 1220, 1244, 1555, 1891, 2074, 2108, 2635, 3110, 3782, 4148, 5185, 5270, 5287, 6220, 7564, 9455, 9641, 10370, 10540, 10574, 18910, 18971, 19282, 20740, 21148, 26435, 32147, 37820, 37942, 38564, 48205, 52870, 64294, 75884, 94855, 96410, 105740, 128588, 160735, 163897, 189710, 192820, 321470, 322507, 327794, 379420, 588101, 642940, 645014, 655588, 819485, 1176202, 1290028, 1612535, 1638970, 2352404, 2940505, 3225070, 3277940, 5881010, 6450140, 9997717, 11762020, 19995434, 39990868, 49988585, 99977170, 199954340]

約数ペア:

[(1, 199954340), (2, 99977170), (4, 49988585), (5, 39990868), (10, 19995434), (17, 11762020), (20, 9997717), (31, 6450140), (34, 5881010), (61, 3277940), (62, 3225070), (68, 2940505), (85, 2352404), (122, 1638970), (124, 1612535), (155, 1290028), (170, 1176202), (244, 819485), (305, 655588), (310, 645014), (311, 642940), (340, 588101), (527, 379420), (610, 327794), (620, 322507), (622, 321470), (1037, 192820), (1054, 189710), (1220, 163897), (1244, 160735), (1555, 128588), (1891, 105740), (2074, 96410), (2108, 94855), (2635, 75884), (3110, 64294), (3782, 52870), (4148, 48205), (5185, 38564), (5270, 37942), (5287, 37820), (6220, 32147), (7564, 26435), (9455, 21148), (9641, 20740), (10370, 19282), (10540, 18971), (10574, 18910)]