42820340

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 92245440

約数和(自身を除く): 49425100

約数列:

[1, 2, 4, 5, 10, 20, 73, 139, 146, 211, 278, 292, 365, 422, 556, 695, 730, 844, 1055, 1390, 1460, 2110, 2780, 4220, 10147, 15403, 20294, 29329, 30806, 40588, 50735, 58658, 61612, 77015, 101470, 117316, 146645, 154030, 202940, 293290, 308060, 586580, 2141017, 4282034, 8564068, 10705085, 21410170, 42820340]

約数ペア:

[(1, 42820340), (2, 21410170), (4, 10705085), (5, 8564068), (10, 4282034), (20, 2141017), (73, 586580), (139, 308060), (146, 293290), (211, 202940), (278, 154030), (292, 146645), (365, 117316), (422, 101470), (556, 77015), (695, 61612), (730, 58658), (844, 50735), (1055, 40588), (1390, 30806), (1460, 29329), (2110, 20294), (2780, 15403), (4220, 10147)]