550494980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{206953}}^1$

素因数の和:206988

約数の個数: 48

約数和(自身を含む): 1390730880

約数和(自身を除く): 840235900

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, 206953, 413906, 827812, 1034765, 1448671, 2069530, 2897342, 3932107, 4139060, 5794684, 7243355, 7864214, 14486710, 15728428, 19660535, 27524749, 28973420, 39321070, 55049498, 78642140, 110098996, 137623745, 275247490, 550494980]

約数ペア:

[(1, 550494980), (2, 275247490), (4, 137623745), (5, 110098996), (7, 78642140), (10, 55049498), (14, 39321070), (19, 28973420), (20, 27524749), (28, 19660535), (35, 15728428), (38, 14486710), (70, 7864214), (76, 7243355), (95, 5794684), (133, 4139060), (140, 3932107), (190, 2897342), (266, 2069530), (380, 1448671), (532, 1034765), (665, 827812), (1330, 413906), (2660, 206953)]