205840180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 550198656

約数和(自身を除く): 344358476

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 107, 130, 140, 151, 182, 196, 214, 245, 260, 302, 364, 428, 455, 490, 535, 604, 637, 749, 755, 910, 980, 1057, 1070, 1274, 1391, 1498, 1510, 1820, 1963, 2114, 2140, 2548, 2782, 2996, 3020, 3185, 3745, 3926, 4228, 5243, 5285, 5564, 6370, 6955, 7399, 7490, 7852, 9737, 9815, 10486, 10570, 12740, 13741, 13910, 14798, 14980, 16157, 19474, 19630, 20972, 21140, 26215, 27482, 27820, 29596, 32314, 36995, 38948, 39260, 48685, 52430, 54964, 64628, 68159, 68705, 73990, 80785, 96187, 97370, 104860, 113099, 136318, 137410, 147980, 161570, 192374, 194740, 210041, 226198, 272636, 274820, 323140, 340795, 384748, 420082, 452396, 480935, 565495, 681590, 791693, 840164, 961870, 1050205, 1130990, 1363180, 1470287, 1583386, 1923740, 2100410, 2261980, 2940574, 3166772, 3958465, 4200820, 5881148, 7351435, 7916930, 10292009, 14702870, 15833860, 20584018, 29405740, 41168036, 51460045, 102920090, 205840180]

約数ペア:

[(1, 205840180), (2, 102920090), (4, 51460045), (5, 41168036), (7, 29405740), (10, 20584018), (13, 15833860), (14, 14702870), (20, 10292009), (26, 7916930), (28, 7351435), (35, 5881148), (49, 4200820), (52, 3958465), (65, 3166772), (70, 2940574), (91, 2261980), (98, 2100410), (107, 1923740), (130, 1583386), (140, 1470287), (151, 1363180), (182, 1130990), (196, 1050205), (214, 961870), (245, 840164), (260, 791693), (302, 681590), (364, 565495), (428, 480935), (455, 452396), (490, 420082), (535, 384748), (604, 340795), (637, 323140), (749, 274820), (755, 272636), (910, 226198), (980, 210041), (1057, 194740), (1070, 192374), (1274, 161570), (1391, 147980), (1498, 137410), (1510, 136318), (1820, 113099), (1963, 104860), (2114, 97370), (2140, 96187), (2548, 80785), (2782, 73990), (2996, 68705), (3020, 68159), (3185, 64628), (3745, 54964), (3926, 52430), (4228, 48685), (5243, 39260), (5285, 38948), (5564, 36995), (6370, 32314), (6955, 29596), (7399, 27820), (7490, 27482), (7852, 26215), (9737, 21140), (9815, 20972), (10486, 19630), (10570, 19474), (12740, 16157), (13741, 14980), (13910, 14798)]