397726290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:449

約数の個数: 144

約数和(自身を含む): 1137352320

約数和(自身を除く): 739626030

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 79, 90, 117, 130, 158, 169, 195, 234, 237, 331, 338, 390, 395, 474, 507, 585, 662, 711, 790, 845, 993, 1014, 1027, 1170, 1185, 1422, 1521, 1655, 1690, 1986, 2054, 2370, 2535, 2979, 3042, 3081, 3310, 3555, 4303, 4965, 5070, 5135, 5958, 6162, 7110, 7605, 8606, 9243, 9930, 10270, 12909, 13351, 14895, 15210, 15405, 18486, 21515, 25818, 26149, 26702, 29790, 30810, 38727, 40053, 43030, 46215, 52298, 55939, 64545, 66755, 77454, 78447, 80106, 92430, 111878, 120159, 129090, 130745, 133510, 156894, 167817, 193635, 200265, 235341, 240318, 261490, 279695, 335634, 339937, 387270, 392235, 400530, 470682, 503451, 559390, 600795, 679874, 784470, 839085, 1006902, 1019811, 1176705, 1201590, 1678170, 1699685, 2039622, 2353410, 2517255, 3059433, 3399370, 4419181, 5034510, 5099055, 6118866, 8838362, 10198110, 13257543, 15297165, 22095905, 26515086, 30594330, 39772629, 44191810, 66287715, 79545258, 132575430, 198863145, 397726290]

約数ペア:

[(1, 397726290), (2, 198863145), (3, 132575430), (5, 79545258), (6, 66287715), (9, 44191810), (10, 39772629), (13, 30594330), (15, 26515086), (18, 22095905), (26, 15297165), (30, 13257543), (39, 10198110), (45, 8838362), (65, 6118866), (78, 5099055), (79, 5034510), (90, 4419181), (117, 3399370), (130, 3059433), (158, 2517255), (169, 2353410), (195, 2039622), (234, 1699685), (237, 1678170), (331, 1201590), (338, 1176705), (390, 1019811), (395, 1006902), (474, 839085), (507, 784470), (585, 679874), (662, 600795), (711, 559390), (790, 503451), (845, 470682), (993, 400530), (1014, 392235), (1027, 387270), (1170, 339937), (1185, 335634), (1422, 279695), (1521, 261490), (1655, 240318), (1690, 235341), (1986, 200265), (2054, 193635), (2370, 167817), (2535, 156894), (2979, 133510), (3042, 130745), (3081, 129090), (3310, 120159), (3555, 111878), (4303, 92430), (4965, 80106), (5070, 78447), (5135, 77454), (5958, 66755), (6162, 64545), (7110, 55939), (7605, 52298), (8606, 46215), (9243, 43030), (9930, 40053), (10270, 38727), (12909, 30810), (13351, 29790), (14895, 26702), (15210, 26149), (15405, 25818), (18486, 21515)]