553154980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{207953}}^1$

素因数の和:207988

約数の個数: 48

約数和(自身を含む): 1397450880

約数和(自身を除く): 844295900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 207953, 415906, 831812, 1039765, 1455671, 2079530, 2911342, 3951107, 4159060, 5822684, 7278355, 7902214, 14556710, 15804428, 19755535, 27657749, 29113420, 39511070, 55315498, 79022140, 110630996, 138288745, 276577490, 553154980]

約数ペア:

[(1, 553154980), (2, 276577490), (4, 138288745), (5, 110630996), (7, 79022140), (10, 55315498), (14, 39511070), (19, 29113420), (20, 27657749), (28, 19755535), (35, 15804428), (38, 14556710), (70, 7902214), (76, 7278355), (95, 5822684), (133, 4159060), (140, 3951107), (190, 2911342), (266, 2079530), (380, 1455671), (532, 1039765), (665, 831812), (1330, 415906), (2660, 207953)]