998732020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349207}}^1$

素因数の和:349240

約数の個数: 48

約数和(自身を含む): 2464011648

約数和(自身を除く): 1465279628

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 349207, 698414, 1396828, 1746035, 3492070, 3841277, 4539691, 6984140, 7682554, 9079382, 15365108, 18158764, 19206385, 22698455, 38412770, 45396910, 49936601, 76825540, 90793820, 99873202, 199746404, 249683005, 499366010, 998732020]

約数ペア:

[(1, 998732020), (2, 499366010), (4, 249683005), (5, 199746404), (10, 99873202), (11, 90793820), (13, 76825540), (20, 49936601), (22, 45396910), (26, 38412770), (44, 22698455), (52, 19206385), (55, 18158764), (65, 15365108), (110, 9079382), (130, 7682554), (143, 6984140), (220, 4539691), (260, 3841277), (286, 3492070), (572, 1746035), (715, 1396828), (1430, 698414), (2860, 349207)]