189195440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2579}}^1$

素因数の和:2730

約数の個数: 80

約数和(自身を含む): 506753280

約数和(自身を除く): 317557840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1310, 1834, 2096, 2579, 2620, 3668, 4585, 5158, 5240, 7336, 9170, 10316, 10480, 12895, 14672, 18053, 18340, 20632, 25790, 36106, 36680, 41264, 51580, 72212, 73360, 90265, 103160, 144424, 180530, 206320, 288848, 337849, 361060, 675698, 722120, 1351396, 1444240, 1689245, 2364943, 2702792, 3378490, 4729886, 5405584, 6756980, 9459772, 11824715, 13513960, 18919544, 23649430, 27027920, 37839088, 47298860, 94597720, 189195440]

約数ペア:

[(1, 189195440), (2, 94597720), (4, 47298860), (5, 37839088), (7, 27027920), (8, 23649430), (10, 18919544), (14, 13513960), (16, 11824715), (20, 9459772), (28, 6756980), (35, 5405584), (40, 4729886), (56, 3378490), (70, 2702792), (80, 2364943), (112, 1689245), (131, 1444240), (140, 1351396), (262, 722120), (280, 675698), (524, 361060), (560, 337849), (655, 288848), (917, 206320), (1048, 180530), (1310, 144424), (1834, 103160), (2096, 90265), (2579, 73360), (2620, 72212), (3668, 51580), (4585, 41264), (5158, 36680), (5240, 36106), (7336, 25790), (9170, 20632), (10316, 18340), (10480, 18053), (12895, 14672)]