290420892020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{42335407}}^1$

素因数の和:42335437

約数の個数: 48

約数和(自身を含む): 711234854400

約数和(自身を除く): 420813962380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 42335407, 84670814, 169341628, 211677035, 296347849, 423354070, 592695698, 846708140, 1185391396, 1481739245, 2074434943, 2963478490, 4148869886, 5926956980, 8297739772, 10372174715, 14521044601, 20744349430, 29042089202, 41488698860, 58084178404, 72605223005, 145210446010, 290420892020]

約数ペア:

[(1, 290420892020), (2, 145210446010), (4, 72605223005), (5, 58084178404), (7, 41488698860), (10, 29042089202), (14, 20744349430), (20, 14521044601), (28, 10372174715), (35, 8297739772), (49, 5926956980), (70, 4148869886), (98, 2963478490), (140, 2074434943), (196, 1481739245), (245, 1185391396), (343, 846708140), (490, 592695698), (686, 423354070), (980, 296347849), (1372, 211677035), (1715, 169341628), (3430, 84670814), (6860, 42335407)]