254739520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{113723}}^1$

素因数の和:113747

約数の個数: 56

約数和(自身を含む): 693261504

約数和(自身を除く): 438521984

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, 113723, 227446, 454892, 568615, 796061, 909784, 1137230, 1592122, 1819568, 2274460, 3184244, 3639136, 3980305, 4548920, 6368488, 7278272, 7960610, 9097840, 12736976, 15921220, 18195680, 25473952, 31842440, 36391360, 50947904, 63684880, 127369760, 254739520]

約数ペア:

[(1, 254739520), (2, 127369760), (4, 63684880), (5, 50947904), (7, 36391360), (8, 31842440), (10, 25473952), (14, 18195680), (16, 15921220), (20, 12736976), (28, 9097840), (32, 7960610), (35, 7278272), (40, 6368488), (56, 4548920), (64, 3980305), (70, 3639136), (80, 3184244), (112, 2274460), (140, 1819568), (160, 1592122), (224, 1137230), (280, 909784), (320, 796061), (448, 568615), (560, 454892), (1120, 227446), (2240, 113723)]