2781570673780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{27583}}^1$

素因数の和:27938

約数の個数: 144

約数和(自身を含む): 6316665384960

約数和(自身を除く): 3535094711180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 239, 289, 292, 340, 365, 478, 578, 730, 956, 1156, 1195, 1241, 1445, 1460, 2390, 2482, 2890, 4063, 4780, 4964, 5780, 6205, 8126, 12410, 16252, 17447, 20315, 21097, 24820, 27583, 34894, 40630, 42194, 55166, 69071, 69788, 81260, 84388, 87235, 105485, 110332, 137915, 138142, 174470, 210970, 275830, 276284, 296599, 345355, 348940, 421940, 468911, 551660, 593198, 690710, 937822, 1186396, 1381420, 1482995, 1875644, 2013559, 2344555, 2965990, 4027118, 4689110, 5042183, 5931980, 6592337, 7971487, 8054236, 9378220, 10067795, 10084366, 13184674, 15942974, 20135590, 20168732, 25210915, 26369348, 31885948, 32961685, 34230503, 39857435, 40271180, 50421830, 65923370, 68461006, 79714870, 100843660, 112069729, 131846740, 136922012, 159429740, 171152515, 224139458, 342305030, 448278916, 481240601, 560348645, 581918551, 684610060, 962481202, 1120697290, 1163837102, 1905185393, 1924962404, 2241394580, 2327674204, 2406203005, 2909592755, 3810370786, 4812406010, 5819185510, 7620741572, 8181090217, 9525926965, 9624812020, 11638371020, 16362180434, 19051853930, 32724360868, 38103707860, 40905451085, 81810902170, 139078533689, 163621804340, 278157067378, 556314134756, 695392668445, 1390785336890, 2781570673780]

約数ペア:

[(1, 2781570673780), (2, 1390785336890), (4, 695392668445), (5, 556314134756), (10, 278157067378), (17, 163621804340), (20, 139078533689), (34, 81810902170), (68, 40905451085), (73, 38103707860), (85, 32724360868), (146, 19051853930), (170, 16362180434), (239, 11638371020), (289, 9624812020), (292, 9525926965), (340, 8181090217), (365, 7620741572), (478, 5819185510), (578, 4812406010), (730, 3810370786), (956, 2909592755), (1156, 2406203005), (1195, 2327674204), (1241, 2241394580), (1445, 1924962404), (1460, 1905185393), (2390, 1163837102), (2482, 1120697290), (2890, 962481202), (4063, 684610060), (4780, 581918551), (4964, 560348645), (5780, 481240601), (6205, 448278916), (8126, 342305030), (12410, 224139458), (16252, 171152515), (17447, 159429740), (20315, 136922012), (21097, 131846740), (24820, 112069729), (27583, 100843660), (34894, 79714870), (40630, 68461006), (42194, 65923370), (55166, 50421830), (69071, 40271180), (69788, 39857435), (81260, 34230503), (84388, 32961685), (87235, 31885948), (105485, 26369348), (110332, 25210915), (137915, 20168732), (138142, 20135590), (174470, 15942974), (210970, 13184674), (275830, 10084366), (276284, 10067795), (296599, 9378220), (345355, 8054236), (348940, 7971487), (421940, 6592337), (468911, 5931980), (551660, 5042183), (593198, 4689110), (690710, 4027118), (937822, 2965990), (1186396, 2344555), (1381420, 2013559), (1482995, 1875644)]