1980024002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 3433218048

約数和(自身を除く): 1453194046

約数列:

[1, 2, 11, 22, 31, 62, 71, 103, 142, 206, 341, 397, 682, 781, 794, 1133, 1562, 2201, 2266, 3193, 4367, 4402, 6386, 7313, 8734, 12307, 14626, 24211, 24614, 28187, 35123, 40891, 48422, 56374, 70246, 80443, 81782, 135377, 160886, 226703, 270754, 310057, 449801, 453406, 620114, 873797, 899602, 1267621, 1747594, 2493733, 2535242, 2903261, 4987466, 5806522, 9611767, 13943831, 19223534, 27887662, 31935871, 63871742, 90001091, 180002182, 990012001, 1980024002]

約数ペア:

[(1, 1980024002), (2, 990012001), (11, 180002182), (22, 90001091), (31, 63871742), (62, 31935871), (71, 27887662), (103, 19223534), (142, 13943831), (206, 9611767), (341, 5806522), (397, 4987466), (682, 2903261), (781, 2535242), (794, 2493733), (1133, 1747594), (1562, 1267621), (2201, 899602), (2266, 873797), (3193, 620114), (4367, 453406), (4402, 449801), (6386, 310057), (7313, 270754), (8734, 226703), (12307, 160886), (14626, 135377), (24211, 81782), (24614, 80443), (28187, 70246), (35123, 56374), (40891, 48422)]