68632940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1657}}^1$

素因数の和:1794

約数の個数: 48

約数和(自身を含む): 153199200

約数和(自身を除く): 84566260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 1657, 2071, 2180, 3314, 4142, 6628, 8284, 8285, 10355, 16570, 20710, 31483, 33140, 41420, 62966, 125932, 157415, 180613, 314830, 361226, 629660, 722452, 903065, 1806130, 3431647, 3612260, 6863294, 13726588, 17158235, 34316470, 68632940]

約数ペア:

[(1, 68632940), (2, 34316470), (4, 17158235), (5, 13726588), (10, 6863294), (19, 3612260), (20, 3431647), (38, 1806130), (76, 903065), (95, 722452), (109, 629660), (190, 361226), (218, 314830), (380, 180613), (436, 157415), (545, 125932), (1090, 62966), (1657, 41420), (2071, 33140), (2180, 31483), (3314, 20710), (4142, 16570), (6628, 10355), (8284, 8285)]