145645720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331013}}^1$

素因数の和:331035

約数の個数: 32

約数和(自身を含む): 357495120

約数和(自身を除く): 211849400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 331013, 662026, 1324052, 1655065, 2648104, 3310130, 3641143, 6620260, 7282286, 13240520, 14564572, 18205715, 29129144, 36411430, 72822860, 145645720]

約数ペア:

[(1, 145645720), (2, 72822860), (4, 36411430), (5, 29129144), (8, 18205715), (10, 14564572), (11, 13240520), (20, 7282286), (22, 6620260), (40, 3641143), (44, 3310130), (55, 2648104), (88, 1655065), (110, 1324052), (220, 662026), (440, 331013)]