247365440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{110431}}^1$

素因数の和:110455

約数の個数: 56

約数和(自身を含む): 673193472

約数和(自身を除く): 425828032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 110431, 220862, 441724, 552155, 773017, 883448, 1104310, 1546034, 1766896, 2208620, 3092068, 3533792, 3865085, 4417240, 6184136, 7067584, 7730170, 8834480, 12368272, 15460340, 17668960, 24736544, 30920680, 35337920, 49473088, 61841360, 123682720, 247365440]

約数ペア:

[(1, 247365440), (2, 123682720), (4, 61841360), (5, 49473088), (7, 35337920), (8, 30920680), (10, 24736544), (14, 17668960), (16, 15460340), (20, 12368272), (28, 8834480), (32, 7730170), (35, 7067584), (40, 6184136), (56, 4417240), (64, 3865085), (70, 3533792), (80, 3092068), (112, 2208620), (140, 1766896), (160, 1546034), (224, 1104310), (280, 883448), (320, 773017), (448, 552155), (560, 441724), (1120, 220862), (2240, 110431)]