297950020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{1061}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 660139200

約数和(自身を除く): 362189180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 739, 1061, 1478, 2122, 2956, 3695, 4244, 5305, 7390, 10610, 14041, 14780, 20159, 21220, 28082, 40318, 56164, 70205, 80636, 100795, 140410, 201590, 280820, 403180, 784079, 1568158, 3136316, 3920395, 7840790, 14897501, 15681580, 29795002, 59590004, 74487505, 148975010, 297950020]

約数ペア:

[(1, 297950020), (2, 148975010), (4, 74487505), (5, 59590004), (10, 29795002), (19, 15681580), (20, 14897501), (38, 7840790), (76, 3920395), (95, 3136316), (190, 1568158), (380, 784079), (739, 403180), (1061, 280820), (1478, 201590), (2122, 140410), (2956, 100795), (3695, 80636), (4244, 70205), (5305, 56164), (7390, 40318), (10610, 28082), (14041, 21220), (14780, 20159)]