378976780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 1008697536

約数和(自身を除く): 629720756

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 151, 182, 196, 197, 245, 260, 302, 364, 394, 455, 490, 604, 637, 755, 788, 910, 980, 985, 1057, 1274, 1379, 1510, 1820, 1963, 1970, 2114, 2548, 2561, 2758, 3020, 3185, 3926, 3940, 4228, 5122, 5285, 5516, 6370, 6895, 7399, 7852, 9653, 9815, 10244, 10570, 12740, 12805, 13741, 13790, 14798, 17927, 19306, 19630, 21140, 25610, 27482, 27580, 29596, 29747, 35854, 36995, 38612, 39260, 48265, 51220, 54964, 59494, 68705, 71708, 73990, 89635, 96187, 96530, 118988, 125489, 137410, 147980, 148735, 179270, 192374, 193060, 208229, 250978, 274820, 297470, 358540, 384748, 386711, 416458, 480935, 501956, 594940, 627445, 773422, 832916, 961870, 1041145, 1254890, 1457603, 1546844, 1923740, 1933555, 2082290, 2509780, 2706977, 2915206, 3867110, 4164580, 5413954, 5830412, 7288015, 7734220, 10827908, 13534885, 14576030, 18948839, 27069770, 29152060, 37897678, 54139540, 75795356, 94744195, 189488390, 378976780]

約数ペア:

[(1, 378976780), (2, 189488390), (4, 94744195), (5, 75795356), (7, 54139540), (10, 37897678), (13, 29152060), (14, 27069770), (20, 18948839), (26, 14576030), (28, 13534885), (35, 10827908), (49, 7734220), (52, 7288015), (65, 5830412), (70, 5413954), (91, 4164580), (98, 3867110), (130, 2915206), (140, 2706977), (151, 2509780), (182, 2082290), (196, 1933555), (197, 1923740), (245, 1546844), (260, 1457603), (302, 1254890), (364, 1041145), (394, 961870), (455, 832916), (490, 773422), (604, 627445), (637, 594940), (755, 501956), (788, 480935), (910, 416458), (980, 386711), (985, 384748), (1057, 358540), (1274, 297470), (1379, 274820), (1510, 250978), (1820, 208229), (1963, 193060), (1970, 192374), (2114, 179270), (2548, 148735), (2561, 147980), (2758, 137410), (3020, 125489), (3185, 118988), (3926, 96530), (3940, 96187), (4228, 89635), (5122, 73990), (5285, 71708), (5516, 68705), (6370, 59494), (6895, 54964), (7399, 51220), (7852, 48265), (9653, 39260), (9815, 38612), (10244, 36995), (10570, 35854), (12740, 29747), (12805, 29596), (13741, 27580), (13790, 27482), (14798, 25610), (17927, 21140), (19306, 19630)]